CN221018122U - Clamping type hoop bending machine - Google Patents

Abstract

The utility model relates to the technical field of hoop bending machines, in particular to a clamping type hoop bending machine, which comprises a fixed seat, wherein a first moving block is arranged on one surface of the fixed seat, one surface of the first moving block is fixedly connected with a first air cylinder, a first air cylinder body is arranged on one surface of the fixed seat, a cavity is formed in the fixed seat, and a driving assembly is arranged in the cavity; the bending seat is rotationally connected with the fixing seat, a worm wheel is fixed at the top of the bending seat, a second air cylinder is arranged at the top of the bending seat, and the telescopic end of the second air cylinder is fixedly connected with a second moving block. The utility model has the beneficial effects that the workpiece is fixed on the fixed seat and the bending seat, the bending seat is driven to rotate by driving the fourth air cylinder, and the worm wheel and the second clamping groove which are arranged on one surface of the bending seat are driven, so that the workpiece is also rotated along with the worm wheel, the workpiece is bent, an operator does not need to hold the workpiece for bending, and the three clamping grooves are arranged as cambered surface grooves, so that the workpiece is better clamped and fixed.

Description

Clamping type hoop bending machine

Technical Field

The utility model relates to the technical field of hoop bending machines, in particular to a clamping type hoop bending machine.

Background

In the existing numerical control hoop bending machine, clamping and fixing of workpieces are mainly realized by manual control of operators. The operation mode is not only low in efficiency, but also often unstable in workpiece fixing due to artificial factors, sliding of the workpiece possibly occurs in the bending process, and bending accuracy is difficult to guarantee. In addition, the conventional clamping device also lacks comprehensive and uniform pressure on the workpiece, so that the workpiece can deform in the bending process, and bending accuracy is affected.

Disclosure of utility model

The utility model is provided in view of the technical problem that bending precision is difficult to ensure due to the fact that the existing numerical control hoop bending machine does not well fix a workpiece.

The utility model aims to provide a clamping type hoop bending machine, which aims to improve the bending precision of a numerical control hoop bending machine by clamping a workpiece.

In order to solve the technical problems, the utility model provides the following technical scheme: the clamping type hoop bending machine comprises a fixed seat, wherein a first moving block is arranged on one surface of the fixed seat, a first air cylinder is fixedly connected to one surface of the first moving block, a piston rod of the first air cylinder stretches and contracts to drive the first moving block to move, a cylinder body of the first air cylinder is arranged on one surface of the fixed seat, a cavity is formed in the fixed seat, and a driving assembly is arranged in the cavity; and the bending seat is rotationally connected with the fixing seat, the driving assembly is used for driving the bending seat to rotate, the worm wheel is fixed at the top of the bending seat, a second air cylinder is arranged at the top of the bending seat, the telescopic end of the second air cylinder is fixedly connected with a second moving block, and the second moving block is driven by the second air cylinder to move towards or away from the worm wheel and is used for clamping a workpiece to be bent in a use state.

As a preferred embodiment of the clamping hoop bending machine of the present utility model, wherein: the first movable block one end is connected with the third cylinder, one side of the first movable block, which is far away from the first cylinder, is slidably provided with a limiting block, the limiting block is connected with a piston rod of the third cylinder, the piston rod of the third cylinder stretches and contracts to drive the limiting block to horizontally move on the first movable block, one side of the limiting block, which is far away from the first movable block, is provided with a first clamping groove, and the first clamping groove is used for being matched with a workpiece to be bent under a using state.

As a preferred embodiment of the clamping hoop bending machine of the present utility model, wherein: the limiting block is provided with a limiting groove, a guide rail matched with the limiting groove is formed on the limiting block in a protruding mode, and the guide rail is arranged in the limiting groove and can horizontally move in the limiting groove.

As a preferred embodiment of the clamping hoop bending machine of the present utility model, wherein: the fixed seat is characterized in that a first sliding groove is formed in the top of the fixed seat, the length direction of the first sliding groove is the same as the expansion direction of a piston rod of the first cylinder, a first lug is arranged at the bottom of the first moving block, and the first lug is arranged in the first sliding groove and can slide in the first sliding groove.

As a preferred embodiment of the clamping hoop bending machine of the present utility model, wherein: the top of fixing base has still seted up the second spout parallel with first spout, set up the second lug on the third cylinder body, the second lug sets up in the second spout and can remove in the second spout.

As a preferred embodiment of the clamping hoop bending machine of the present utility model, wherein: the top of the bending seat is provided with a third chute, the bottom of the second moving block is provided with a third lug, and the third lug is arranged in the third chute and can move in the third chute.

As a preferred embodiment of the clamping hoop bending machine of the present utility model, wherein: the second movable block is close to one side of the worm wheel and is provided with a second clamping groove, the side face of the worm wheel is provided with a third clamping groove, the third clamping groove comprises a straight line groove and a circular groove, the second cylinder pushes the second clamping groove to move towards or away from the straight line groove, and the inner walls of the first clamping groove, the second clamping groove and the third clamping groove are arc surfaces matched with a workpiece to be bent.

As a preferred embodiment of the clamping hoop bending machine of the present utility model, wherein: the driving assembly comprises a fourth air cylinder, a rack and a gear, the inner wall of the cavity is connected with the fourth air cylinder, the output end of the fourth air cylinder is connected with the rack, the tooth end of the rack is meshed with the gear, the accommodating groove is formed in one end of the bending seat, and the two ends of the gear are connected with the inner wall of the accommodating groove.

As a preferred embodiment of the clamping hoop bending machine of the present utility model, wherein: the utility model discloses a cylindrical protective housing, including holding groove inner wall, cylindrical protective housing, rack, fixing base, gear, movable groove, rack and rack engagement connection gear, the holding groove inner wall is connected two bottom surfaces about the cylindrical protective housing, the fixing base is connected to the cylindrical protective housing side, the holding groove inner wall is connected to two bottom surfaces about the gear runs through the cylindrical protective housing, the movable groove is seted up to the cylindrical protective housing side, the rack runs through the movable groove meshing.

As a preferred embodiment of the clamping hoop bending machine of the present utility model, wherein: the cavity is internally provided with a guide block, the guide block is provided with a guide groove, and one side of the rack away from the tooth slot is matched with the guide groove and can move in the guide groove.

The clamping type hoop bending machine has the beneficial effects that: according to the bending device, the first moving block and the second moving block move, the second moving block is matched with the worm wheel to clamp a workpiece to be bent when in use, the worm wheel and the second moving block rotate along with the bending seat to bend the workpiece, the first moving block blocks the workpiece in the bending process, the workpiece is prevented from rotating along with the bending seat integrally, the workpiece is fixed when being bent, and the first moving block and the second moving block only apply bending force to the workpiece in the horizontal direction, so that the bending precision of the workpiece is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic view of an initial position of a clamp-on hoop bending machine according to the present utility model.

Fig. 2 is a schematic diagram of the overall structure of the present utility model.

Fig. 3 is a side cross-sectional view of the device of the present utility model.

Fig. 4 is a schematic structural diagram of the driving assembly 109 in the present utility model.

Fig. 5 is a schematic cross-sectional view of a cylindrical protective shell 207 according to the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Embodiment 1, refer to fig. 1 and 4, is a first embodiment of the present utility model, and provides a clamping type hoop bending machine, which can better clamp and fix a workpiece through a clamping groove, and does not need to be manually held, so that the workpiece is safe and reliable, and cannot shake in the bending process, and the bending precision is improved. The bending seat comprises a fixed seat 100, wherein one side of the fixed seat 100 is slidably connected with a first moving block 101, one side of the first moving block 101 is fixedly connected with a first air cylinder 102, a piston rod of the first air cylinder 102 stretches and contracts to drive the first moving block 101 to move, a cylinder body of the first air cylinder 102 is arranged on one side of the fixed seat 100, a cavity 108 is formed in the fixed seat 100, a driving assembly 109 is arranged in the cavity 108, and the driving assembly 109 is used for rotating part of components of the bending seat 200.

The bending seat 200 is rotationally connected with the fixing seat 100, the driving assembly 109 is used for driving the bending seat 200 to rotate, the worm wheel 203 is fixed at the top of the bending seat 200, the top of the bending seat 200 is fixedly connected with the second air cylinder 201, the telescopic end of the second air cylinder 201 is fixedly connected with the second moving block 202, and the second moving block 202 is driven by the second air cylinder 201 to move towards or away from the worm wheel 203 and is used for clamping a workpiece to be bent in a use state.

The driving assembly 109, the first cylinder 102 and the second cylinder 201 are controlled by a numerical control system, the first moving block 101 extends out to prop against a workpiece through the telescopic end of the first cylinder 102, the second moving block 202 extends out to prop against the workpiece through the telescopic end of the second cylinder 201, and the first cylinder 102 and the second cylinder 201 act in the same direction at the same time by the numerical control system.

In a comprehensive way, the clamping type hoop bending machine clamps and fixes a workpiece and bends the workpiece by arranging a first moving block 101, a second moving block 202 and a worm wheel 203; firstly, the first air cylinder 102 and the second air cylinder 201 are retracted to the initial position, the bending seat 200 is also rotated to the initial position, namely, the first moving block 101 and the second moving block 202 are positioned on the same plane (as shown in fig. 1), secondly, a workpiece is placed on one surface of the first moving block 101 and the second moving block 202 which are spliced together, the first air cylinder 102 and the second air cylinder 201 are driven through a numerical control system, the first moving block 101 and the second moving block 202 are pushed to move towards the worm wheel 203, the workpiece is clamped in this way, finally, the driving assembly 109 is started, the bending seat 200 is rotated, the bending process is completed, the operation is safe, and the procedure is simple.

Embodiment 2, referring to fig. 1 to 3, is a second embodiment of the present utility model, which is based on the previous embodiment.

Specifically, one end of the first moving block 101 is fixedly connected with one end of the third cylinder 103, the first moving block 101 moves to drive the third cylinder 103 to move, a limiting block 105 is slidably arranged on one side, far away from the first cylinder 102, of the first moving block 101, the limiting block 105 is connected with a piston rod of the third cylinder 103, the piston rod of the third cylinder 103 stretches and contracts to drive the limiting block 105 to horizontally move on the first moving block 101, a first clamping groove 104 is formed in one side, far away from the first moving block 101, of the limiting block 105, and the first clamping groove 104 is used for being matched with a workpiece to be bent in a use state.

Further, the first movable block 101 is far away from the telescopic end of the first cylinder 102 and provided with a limit groove 101a, the limit groove 101a is arranged as a combination of a straight notch and a trapezoid notch, the upper protrusion of the limit block 105 forms a guide rail matched with the limit groove 101a, the guide rail is arranged in the limit groove 101a and can horizontally move in the limit groove 101a, the one side of the limit block 105 is fixedly connected with the telescopic end of the third cylinder 103, the depth of the limit groove 101a is larger than the width of the guide rail, a space for the piston rod of the third cylinder 103 to stretch out and draw back is formed between the guide rail and the bottom of the limit groove 101a, and the piston rod of the third cylinder 103 is optimally fixedly connected with the end part of the guide rail on the limit block 105.

The third air cylinder 103 has the function that in the process of bending a workpiece, the telescopic end of the third air cylinder 103 drives the first clamping groove 104 to slide through the limiting block 105, so that the first clamping groove 104 always props against the workpiece, and in the process of bending the workpiece, the third air cylinder 103 stretches out along with the bending of the workpiece.

Further, a first sliding groove 106 is formed in the top of the fixing base 100, the length direction of the first sliding groove 106 is the same as the expansion direction of the piston rod of the first cylinder 102, a first bump 101b is arranged at the bottom of the first moving block 101, and the first bump 101b is arranged in the first sliding groove 106 and can slide in the first sliding groove 106.

Further, a second sliding groove 107 parallel to the first sliding groove 106 is further formed in the top of the fixing seat 100, a second bump 103a is disposed on the cylinder body of the third cylinder 103, and the second bump 103a is disposed in the second sliding groove 107 and can move in the second sliding groove 107.

Wherein, the first sliding groove 106 and the first protruding block 101b are not less than one, the first cylinder 102 pushes the first moving block 101 to slide in the first sliding groove 106 through the first protruding block 101b, and the third cylinder 103 slides in the second sliding groove 107 through the second protruding block 103 a.

Further, a third chute 204 is formed at the top of the bending seat 200, a third bump 202a is formed at the bottom of the second moving block 202, the outer wall of the third bump 202a is slidably connected with the third chute 204, and the second cylinder 201 pushes the second moving block 202 to slide in the third chute 204 through the third bump 202 a.

Preferably, a second clamping groove 205 is formed in one side, close to the worm wheel 203, of the second moving block 202, a third clamping groove 203a is formed in the side face of the worm wheel 203, the third clamping groove 203a comprises a straight line groove 203a-1 and a circular groove 203a-2, the second cylinder 201 pushes the second clamping groove 205 to move towards or away from the straight line groove 203a-1, inner walls of the first clamping groove 104, the second clamping groove 205 and the third clamping groove 203a are cambered surfaces matched with a workpiece to be bent, and the cambered surfaces are matched with the diameter of the workpiece.

In a comprehensive way, the clamping type hoop bending machine clamps and fixes a workpiece and bends the workpiece by arranging a first clamping groove 104, a second clamping groove 205 and a third clamping groove 203 a; firstly, the device is restored to the initial position (as shown in fig. 1) through a numerical control system, secondly, a workpiece is placed between the first clamping groove 104, the second clamping groove 205 and the third clamping groove 203a, the first air cylinder 102 and the second air cylinder 201 are started to push the first clamping groove 104 and the second clamping groove 205 to prop the workpiece against the inner wall of the third clamping groove 203a, meanwhile, the driving assembly 109 and the third air cylinder 103 are started, the driving assembly 109 pushes the bending seat 200 to rotate, and meanwhile, the third air cylinder 103 stretches out to drive the first clamping groove 104 to move.

Embodiment 3, referring to fig. 4 to 5, is a third embodiment of the present utility model, which is based on the above two embodiments.

Specifically, the driving assembly 109 includes a fourth cylinder 109a, a rack 109b and a gear 109c, the inner wall of the cavity 108 is connected with the fourth cylinder 109a, the output end of the fourth cylinder 109a is connected with the rack 109b, the tooth end of the rack 109b is meshed with the gear 109c, one end of the bending seat 200 is provided with a containing groove 206, and two ends of the gear 109c are connected with the inner wall of the containing groove 206.

Wherein, the fourth cylinder 109a stretches and contracts to drive the rack 109b to move, so that the gear 109c rotates to drive the bending seat 200 to rotate.

Further, the inner wall of the accommodating groove 206 is connected with the upper bottom surface and the lower bottom surface of the cylindrical protective housing 207, the gear 109c is arranged in the cylindrical protective housing 207, the side surface of the cylindrical protective housing 207 is fixedly connected with the fixing seat 100, two ends of the gear 109c penetrate through the upper bottom surface and the lower bottom surface of the cylindrical protective housing 207 to be connected with the inner wall of the accommodating groove 206, the side surface of the cylindrical protective housing 207 is provided with the movable groove 207a, the rack 109b penetrates through the movable groove 207a to be meshed with the gear 109c, and the bending seat 200 is driven by the gear 109c to rotate around the cylindrical protective housing 207.

A guide block is arranged in the cavity 108, a guide groove is arranged on the guide block, and one side of the rack 109b away from the tooth slot is matched with the guide groove and can move in the guide groove.

In summary, the device pushes the bending seat 200 to bend by arranging the fourth cylinder 109a, and the bending angle can be precisely controlled by a numerical control system; firstly, a workpiece is placed between a first clamping groove 104, a second clamping groove 205 and a third clamping groove 203a, a first air cylinder 102 and a second air cylinder 201 are started to push the first clamping groove 104 and the second clamping groove 205 to prop the workpiece against the inner wall of the third clamping groove 203a, meanwhile, the third air cylinder 103 and a fourth air cylinder 109a are started, the fourth air cylinder 109a stretches and contracts to drive a rack 109b to move, so that a gear 109c rotates to drive a bending seat 200 to rotate, meanwhile, the third air cylinder 103 stretches out to drive the first clamping groove 104 to move, the workpiece is always kept in a bending process, and the workpiece is in a clamping fixed state and cannot loosen.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A clamp-on hoop bending machine, characterized in that: comprising the steps of (a) a step of,

The device comprises a fixed seat (100), wherein a first moving block (101) is arranged on one surface of the fixed seat (100), a first air cylinder (102) is fixedly connected to one surface of the first moving block (101), a piston rod of the first air cylinder (102) stretches and contracts to drive the first moving block (101) to move, a cylinder body of the first air cylinder (102) is arranged on one surface of the fixed seat (100), a cavity (108) is formed in the fixed seat (100), and a driving assembly (109) is arranged in the cavity (108); and

The bending seat (200), bending seat (200) rotates and connects fixing base (100), and drive assembly (109) are used for driving bending seat (200) and rotate, and the top of bending seat (200) is fixed with worm wheel (203), bending seat (200) top sets up second cylinder (201), second cylinder (201) flexible end fixed connection second movable block (202), second movable block (202) are moved towards or keep away from worm wheel (203) by second cylinder (201) drive for press from both sides the work piece of waiting to crooked under the user state.

2. The clamp-on hoop bending machine of claim 1, wherein: third cylinder (103) is connected to first movable block (101) one end, and one side that keeps away from first cylinder (102) on first movable block (101) slides and is provided with stopper (105), and stopper (105) are connected with the piston rod of third cylinder (103), and the piston rod of third cylinder (103) stretches out and draws back and is used for driving stopper (105) horizontal migration on first movable block (101), and first clamping groove (104) have been seted up to one side that keeps away from first movable block (101) on stopper (105), and first clamping groove (104) are used for cooperating with the work piece that waits to crooked under the user state.

3. The clamp-on hoop bending machine of claim 2, wherein: the first moving block (101) is provided with a limiting groove (101 a), the limiting block (105) is protruded to form a guide rail matched with the limiting groove (101 a), and the guide rail is arranged in the limiting groove (101 a) and can horizontally move in the limiting groove (101 a).

4. The clamp-on hoop bending machine of claim 2, wherein: the top of fixing base (100) is seted up first spout (106), and the length direction of first spout (106) is the same with the flexible direction of first cylinder (102) piston rod, the bottom of first movable block (101) sets up first lug (101 b), first lug (101 b) set up in first spout (106) and can slide in first spout (106).

5. The clamp-on hoop bending machine of claim 4, wherein: the top of fixing base (100) has still seted up second spout (107) parallel with first spout (106), set up second lug (103 a) on third cylinder (103) cylinder body, second lug (103 a) set up in second spout (107) and can remove in second spout (107).

6. The clamp-on hoop bending machine of claim 1, wherein: a third chute (204) is formed in the top of the bending seat (200), a third lug (202 a) is arranged at the bottom of the second moving block (202), and the third lug (202 a) is arranged in the third chute (204) and can move in the third chute (204).

7. The clamp-on hoop bending machine of claim 6, wherein: the second movable block (202) is close to one side of the worm wheel (203) and is provided with a second clamping groove (205), the side face of the worm wheel (203) is provided with a third clamping groove (203 a), the third clamping groove (203 a) comprises a straight line groove (203 a-1) and a round groove (203 a-2), the second cylinder (201) pushes the second clamping groove (205) to move towards or away from the straight line groove (203 a-1), and the inner walls of the first clamping groove (104), the second clamping groove (205) and the third clamping groove (203 a) are cambered surfaces matched with a workpiece to be bent.

8. The clamp-on hoop bending machine of claim 1, wherein: the driving assembly (109) comprises a fourth air cylinder (109 a), a rack (109 b) and a gear (109 c), wherein the inner wall of the cavity (108) is connected with the fourth air cylinder (109 a), the output end of the fourth air cylinder (109 a) is connected with the rack (109 b), the tooth end of the rack (109 b) is meshed with the gear (109 c), one end of the bending seat (200) is provided with a containing groove (206), and two ends of the gear (109 c) are connected with the inner wall of the containing groove (206).

9. The clamp-on hoop bending machine of claim 8, wherein: the utility model discloses a rack, including cylinder protective housing (207), gear (109 c), holding groove (206) inner wall connection cylinder protective housing (207) upper and lower two bottom surfaces, fixing base (100) are connected to cylinder protective housing (207) side, holding groove (206) inner wall is connected to two bottom surfaces about gear (109 c) run through cylinder protective housing (207), movable groove (207 a) is seted up to cylinder protective housing (207) side, rack (109 b) run through movable groove (207 a) meshing connection gear (109 c).

10. The clamp-on hoop bending machine of claim 8, wherein: the cavity (108) is internally provided with a guide block, the guide block is provided with a guide groove, and one side of the rack (109 b) away from the tooth slot is matched with the guide groove and can move in the guide groove.