Pipe bending device for automobile maintenance

Abstract

The utility model relates to the field of automobile maintenance equipment, and particularly discloses a pipe bending device for automobile maintenance, which comprises a portal frame, a pipe pressing assembly and a supporting assembly, the portal frame comprises a cross beam and stand columns arranged at the two ends of the cross beam. The pipe pressing assembly comprises a pressing beam, a pressing head assembly and a power lifting assembly, the pressing beam is arranged between the two stand columns in a sliding mode, the pressing head assembly is arranged at the bottom of the pressing beam, and the power lifting assembly is arranged between the pressing beam and the cross beam; the supporting assemblies are symmetrically arranged on the two sides of the portal frame. According to the utility model, the power lifting assembly is arranged to provide power, so that the labor intensity of a maintainer can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile maintenance equipment especially a pipe bending device for automobile maintenance. BACKGROUND

[0002] In the automobile maintenance process, various different shape pipes are needed to be bent and shaped due to vehicle modification or customization, thus, special pipe bending equipment is needed to complete. In the pipe bending forming process of seamless pipe, manual pipe bender is commonly used and needs manual power, the pipe bending die size is single and replacement is complicated, which causes high labor intensity and increased enterprise cost. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a pipe bending device for automobile maintenance to solve the problem of high labor intensity of manual pipe bending and reduce the investment of enterprise equipment cost to achieve cost reduction and benefit increase.

[0004] To achieve the purpose, the utility model adopts the following technical scheme:

[0005] A pipe bending device for automobile maintenance, comprising a portal frame, a pipe pressing assembly and a supporting assembly, the portal frame comprises a cross beam and a stand column arranged at both ends of the cross beam, the pipe pressing assembly comprises a pressing beam, a pressing head assembly and a power lifting assembly, the pressing beam is slidingly arranged between the two stand columns, the pressing head assembly is arranged at the bottom of the pressing beam, and the power lifting assembly is arranged between the pressing beam and the cross beam, and the supporting assembly is symmetrically arranged on both sides of the portal frame.

[0006] Preferably, the pressing head assembly comprises a connecting pipe, a sliding rail, a pressing head and a bolt, the upper end of the connecting pipe is connected to the bottom of the pressing beam, the sliding rail is arranged at the lower end of the connecting pipe, the pressing head is slidingly connected with the sliding rail, the bottom of the pressing head is provided with a plurality of arc surfaces with different diameters, the sliding rail is provided with a first limiting hole, the pressing head is provided with a plurality of second limiting holes corresponding to the arc surfaces one by one, and the bolt is inserted into the first limiting hole and the second limiting hole to fix the pressing head on the sliding rail.

[0007] Preferably, the support assembly comprises a support rod, a shaft sleeve, a support frame, a support seat, a support shaft and a limiting pin; a plurality of sets of positioning holes are formed in the columns, the support rods are respectively arranged in the positioning holes of the two columns, the two ends of the support rod are respectively and symmetrically provided with a plurality of limiting pin holes, the limiting pin holes at the same end of the support rod are arranged along the axial direction of the support rod; the shaft sleeve is sleeved on the support rod, and the shaft sleeve is located on the two sides of the column respectively; the support frame is two, and is arranged on the two sides of the portal frame respectively; the two ends of the support frame are provided with mounting holes matched with the support rod, the support frame is installed between the two support rods through the mounting holes, and the support frame presses the shaft sleeve against the column, the limiting pin is inserted and matched with the limiting pin hole, and the limiting pin is used for limiting the support frame; the support seat is installed on the top surface of the support frame, and the support shaft is rotatably arranged on the support seat.

[0008] Preferably, the support seat comprises two support plates, and the two support plates are symmetrically arranged.

[0009] Preferably, the support shaft comprises a shaft portion, a main body portion and a support portion, the shaft portion is arranged at the two ends of the main body portion, and the shaft portion is rotatably matched with the support groove; the support portion is arranged on the outer wall of the main body portion, and the support portion is an arc surface structure.

[0010] Preferably, the power lifting assembly comprises a pneumatic hydraulic jack, a pneumatic booster and a spring, the pneumatic hydraulic jack is installed on the top surface of the pressing beam, and the output end of the pneumatic hydraulic jack abuts against the bottom surface of the cross beam; the pneumatic booster is installed on the air inlet of the pneumatic hydraulic jack, and the pneumatic booster is connected with an external air source; the spring is two, the upper end of the spring is connected with the cross beam, the lower end of the spring is connected with the pressing beam, and the two springs are located on the two sides of the pneumatic hydraulic jack respectively.

[0011] Preferably, the two ends of the pressing beam are respectively provided with U-shaped sliding blocks, and the pressing beam is slidably matched with the column through the U-shaped sliding blocks.

[0012] Preferably, the portal frame further comprises a support leg and a bottom beam, the support leg is arranged at the lower end of the column, and the support leg is perpendicular to the plane surrounded by the column and the cross beam, and the bottom beam is connected between the two columns and located at the lower end of the column.

[0013] One of the embodiments of the utility model has the following beneficial effects:

[0014] 1. The power lifting assembly is arranged to provide power, so that the labor intensity of maintenance personnel can be reduced;

[0015] 2. The bottom surface of the pressure head is provided with a plurality of arc surfaces with different diameters, which are used for adapting to pipes with different diameters, so that the pressure head can be closely attached to the outer wall of the pipe through the arc surfaces during the process of bending the pipe, thereby increasing the contact area between the pressure head and the pipe and preventing the pipe from being cracked;

[0016] 3. The bending angle of the pipe can be adjusted by changing the distance between the support frame and the column; the support seat is used for mounting the support shaft, so that the support shaft can rotate on the support seat; during the pipe bending process, the two ends of the pipe are supported between the two support shafts, and the contact points between the pipe and the support shafts will change with the bending of the pipe, so that the two ends of the pipe can be effectively supported at all times. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings further illustrate the present application, but the content of the drawings does not constitute any limitation on the present application.

[0018] Figure 1 is a perspective structural schematic view of one embodiment of the present application;

[0019] Figure 2 is a front view structural schematic view of one embodiment of the present application;

[0020] Figure 3 is an exploded structural schematic view of the pressure head assembly of one embodiment of the present application;

[0021] Figure 4 is a perspective structural schematic view of the support shaft of one embodiment of the present application;

[0022] Figure 5 is a perspective structural schematic view of the support shaft mounted on the support seat of one embodiment of the present application;

[0023] Figure 6 is an exploded structural schematic view of one embodiment of the present application;

[0024] In the drawings: 1-gantry, 11-crossbeam, 12-column, 121-positioning hole, 13-leg, 14-bottom beam, 2-pipe pressing assembly, 21-pressing beam, 211-U-shaped sliding block, 22-pressing head assembly, 221-connecting pipe, 222-slideway, 2221-first limiting hole, 223-pressing head, 2231-curved surface, 2232-second limiting hole, 23-power lifting assembly, 231-pneumatic hydraulic jack, 232-pneumatic booster, 233-spring, 24-latch, 3-supporting assembly, 31-supporting rod, 311-limiting pin hole, 32-axle sleeve, 33-supporting frame, 331-mounting hole, 34-supporting seat, 341-supporting plate, 342-supporting groove, 35-supporting pivot, 351-pivot part, 352-main body part, 353-supporting part, 36-limiting pin. DETAILED DESCRIPTION

[0025] Embodiments of the present application will be described in detail below with reference to the drawings, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application. In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second" are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] In the description of the utility model, it is necessary to explain, unless there is definite stipulation and limitation, the term "installation", "connection", "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection or can communicate with each other;It can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or the interaction relationship of two elements inside two elements.For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0027] In the utility model, unless there is definite stipulation and limitation, the first feature is "on" or "under" the second feature can include the direct contact of the first and second features, or the contact of the first and second features through other features between them.And, the first feature is "on", "above" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature.The first feature is "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0028] The following disclosure provides many different embodiments or examples for implementing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the utility model. In addition, the utility model can refer to the same reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0029] The technical scheme of the utility model is further illustrated below by specific embodiments in conjunction with the drawings.

[0030] A pipe bending device for automobile repair of the embodiment, as shown in Figures 1-6 The pipe bending device for automobile repair of the embodiment, as shown in

[0031] When the pipe needs to be bent, the pipe is first passed through the gantry 1 and is erected on the support assembly 3, and then the power lifting assembly 23 is started to move the pressing beam 21 downward, the pressing beam 21 drives the pressing head 223 to act downward and is pressed against the outer wall of the pipe, and since the two ends of the pipe are supported by the support assembly 3 and the middle part of the pipe is pressed downward by the lifting assembly, the middle part of the pipe is bent downward, and the labor intensity of the maintenance personnel can be reduced by providing the power lifting assembly 23.

[0032] Further, as shown in Figure 3 , the pressing head assembly 22 comprises a connecting pipe 221, a sliding rail 222, a pressing head 223 and a bolt 24, the upper end of the connecting pipe 221 is connected to the bottom of the pressing beam 21, the sliding rail 222 is arranged at the lower end of the connecting pipe 221, the pressing head 223 is in sliding connection with the sliding rail 222, and the bottom of the pressing head 223 is provided with a plurality of arc surfaces 2231 with different diameters; the sliding rail 222 is provided with a first limiting hole 2221, the pressing head 223 is provided with a plurality of second limiting holes 2232 corresponding to the arc surfaces 2231, and the bolt 24 is inserted into the first limiting hole 2221 and the second limiting hole 2232 to fix the pressing head 223 to the sliding rail 222.

[0033] Before the pipe is bent, the pressing head 223 is first moved on the sliding rail 222, the arc surface 2231 corresponding to the diameter of the pipe is moved to the center of the sliding rail 222, then the bolt 24 is inserted into the first limiting hole 2221 and the second limiting hole 2232 to fix the pressing head 223 to the sliding rail 222, and then the pipe bending operation is performed; since different pipes have different diameters, the utility model is provided with a plurality of arc surfaces 2231 with different diameters on the bottom surface of the pressing head 223, which are used for adapting to pipes with different diameters, so that the pressing head 223 can be closely attached to the outer wall of the pipe through the arc surface 2231 during the process of pressing and bending the pipe, thereby increasing the contact area between the pressing head 223 and the pipe and preventing the pipe from being cracked.

[0034] Further, as shown in Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, the support assembly 3 comprises a support rod 31, a shaft sleeve 32, a support frame 33, a support seat 34, a support rotating shaft 35 and a limiting pin 36; a plurality of groups of positioning holes 121 are formed on the column 12, the support rod 31 is respectively arranged in the positioning holes 121 on the two columns 12, the two ends of the support rod 31 are respectively and symmetrically provided with a plurality of limiting pin holes 311, the limiting pin holes 311 on the same end of the support rod 31 are arranged along the axial direction of the support rod 31; the shaft sleeve 32 is sleeved on the support rod 31, and the shaft sleeve 32 is respectively located on the two sides of the column 12; the support frame 33 is two, and is respectively arranged on the two sides of the gantry 1; the two ends of the support frame 33 are provided with mounting holes 331 matched with the support rod 31, the support frame 33 is installed between the two support rods 31 through the mounting holes 331, and the support frame 33 tightly presses the shaft sleeve 32 on the column 12, the limiting pin 36 is inserted and matched with the limiting pin hole 311, and the limiting pin 36 is used for limiting the support frame 33; the support seat 34 is installed on the top surface of the support frame 33, and the support rotating shaft 35 is rotatably arranged on the support seat 34.

[0035] Before bending the pipe, the two support rods 31 are respectively inserted into the corresponding positioning holes 121 of the two columns 12, specifically, the support rod 31 can adopt a 45 steel material to obtain higher strength, and the support rod 31 is not easy to deform in the process of bending the pipe; a plurality of groups of positioning holes 121 are arranged on the column 12, and the support rod 31 can be inserted into different positioning holes 121 to change the distance between the support rod 31 and the pipe pressing assembly 2, so as to change the bending angle of the pipe; then the shaft sleeve 32 is sleeved on the two ends of the support rod 31, it should be pointed out that the shaft sleeve 32 can be designed as a multi-section split structure, the distance between the support frame 33 and the column 12 can be changed by changing the number of the shaft sleeve 32 sleeved on the support rod 31, the limiting pin 24 is inserted into the limiting pin hole 311 to limit the support frame 33, so as to prevent the support frame 33 from sliding outward in the process of bending the pipe, the distance between the support frame 33 and the column 12 can be different by arranging a plurality of limiting pin holes 311, and the limiting pin 36 is inserted into the corresponding limiting pin hole 311 to limit the support frame 33. By changing the distance between the support frame 33 and the column 12, the bending angle of the pipe can be adjusted; the support seat 34 is used for installing the support rotating shaft 35, so that the support rotating shaft 35 can rotate on the support seat 34, in the process of bending the pipe, the two ends of the pipe are supported between the two support rotating shafts 35, with the bending of the pipe, the contact point between the pipe and the support rotating shaft 35 will also change, the support rotating shaft 35 of the utility model is a rotating structure, which can rotate with the bending of the pipe in the process of bending the pipe, so that the two ends of the pipe can be effectively supported at all times.

[0036] As Figure 5As shown, the support base 34 comprises two support plates 341, which are symmetrically arranged; the top of the support plate 341 is provided with a plurality of support grooves 342.

[0037] By such arrangement, the support shaft 35 can be detachably mounted on the support base 34, and the bending angle of the pipe can be finely adjusted by mounting the support shaft 35 on different support grooves 342.

[0038] As shown in the drawings, Figure 4 The support shaft 35 comprises a shaft part 351, a main body part 352 and a support part 353, the shaft part 351 is arranged at both ends of the main body part 352, and the shaft part 351 is rotationally matched with the support groove 342; the support part 353 is arranged on the outer wall of the main body part 352, and the support part 353 is an arc surface structure.

[0039] The support part 353 is arranged on the outer wall of the main body part 352, so that the pipe contacts the arc surface of the support part 353 of the support shaft 35, thereby increasing the support area and avoiding the pipe from being deformed; in addition, in the bending process, the shaft part 351 is rotationally matched with the support groove 342, so that in the pipe bending process, the support shaft 35 can rotate with the bending of the pipe, so that the support part 353 can always be in close contact with the pipe, further avoiding the pipe from being deformed, and the pipe bending effect is better; of course, in order to adapt to pipes of different diameters, a plurality of groups of support shafts 35 can be arranged, the support parts 353 of each group of support shafts 35 have arc surfaces of different diameters, and when pipes of different diameters are bent, the corresponding support shaft 35 can be installed on the support base 34.

[0040] Further, as shown in the drawings, Figure 2 And Figure 6 The power lifting assembly 23 comprises a pneumatic hydraulic jack 231, a pneumatic booster 232 and a spring 233, the pneumatic hydraulic jack 231 is mounted on the top surface of the pressure beam 21, and the output end of the pneumatic hydraulic jack 231 abuts against the bottom surface of the cross beam 11; the pneumatic booster 232 is mounted on the air inlet of the pneumatic hydraulic jack 231, and the pneumatic booster 232 is connected with an external air source; the spring 233 is two, the upper end of the spring 233 is connected with the cross beam 11, and the lower end is connected with the pressure beam 21, and the two springs 233 are respectively located on both sides of the pneumatic hydraulic jack 231.

[0041] The spring 233 is arranged between the cross beam 11 and the pressing beam 21, so that the pressing beam 21 is suspended on the cross beam 11; the pneumatic booster 232 is connected with an external air source, so as to obtain air with pressure, the pneumatic booster 232 intermittently inputs air pressure to the pneumatic hydraulic jack 231, so that the output end of the pneumatic hydraulic jack 231 is extended, the output end of the pneumatic hydraulic jack 231 abuts against the cross beam 11, the cross beam 11 is fixedly arranged in the portal frame 1, so that the pneumatic hydraulic jack 231 applies pressure to the pressing beam 21, so that the pressing beam 21 overcomes the spring 233 and moves downward, so as to bend the pipe.

[0042] Further, as shown in Figure 1 and Figure 6 The two ends of the pressing beam 21 are respectively provided with U-shaped sliding blocks 211, and the pressing beam 21 is in sliding fit with the stand column 12 through the U-shaped sliding blocks 211.

[0043] The U-shaped sliding blocks 211 and the stand column 12 are arranged in fit, so that the pressing beam 21 can be limited and guided, and the pressing beam 21 can move vertically along the stand column 12.

[0044] Further, the portal frame 1 further comprises a supporting leg 13 and a bottom beam 14, the supporting leg 13 is arranged at the lower end of the stand column 12, and the supporting leg 13 is perpendicular to the plane surrounded by the stand column 12 and the cross beam 11, and the bottom beam 14 is connected between the two stand columns 12 and located at the lower end of the stand column 12.

[0045] The supporting leg 13 can make the bottom surface of the portal frame 1 have a larger area, so that the portal frame 1 can be stably placed on the ground and is not easy to shake; the bottom beam 14 arranged between the stand columns 12 can reinforce the bottom of the stand column 12, so as to improve the rigidity of the portal frame 1.

[0046] In the description of the present specification, the description of the terms "one embodiment", "certain embodiments", "illustrative embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative efforts, and these equivalent variations or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A pipe bending device for automotive repair, characterized by, The gantry press comprises a gantry, a pressing pipe assembly and a supporting assembly; the gantry comprises a cross beam and two upright columns arranged at two ends of the cross beam; the pressing pipe assembly comprises a pressing beam, a pressing head assembly and a power lifting assembly; the pressing beam is arranged between the two upright columns in a sliding manner; the pressing head assembly is arranged at the bottom of the pressing beam; the power lifting assembly is arranged between the pressing beam and the cross beam; the supporting assembly is symmetrically arranged at two sides of the gantry.

2. A pipe bending device for vehicle repair according to claim 1, wherein The pressing head assembly comprises a connecting pipe, a sliding rail, a pressing head and a latch; the upper end of the connecting pipe is connected to the bottom of the pressing beam; the sliding rail is arranged at the lower end of the connecting pipe; the pressing head is in sliding connection with the sliding rail; the bottom of the pressing head is provided with a plurality of arc surfaces with different diameters; the sliding rail is provided with a first limiting hole; the pressing head is provided with a plurality of second limiting holes corresponding to the arc surfaces; the latch is inserted into the first limiting hole and the second limiting hole to fix the pressing head to the sliding rail.

3. A pipe bending device for vehicle repair according to claim 1, wherein The supporting assembly comprises a supporting rod, a shaft sleeve, a supporting frame, a supporting seat, a supporting shaft and a limiting pin; a plurality of positioning holes are formed in the upright columns; the supporting rod is arranged in the positioning holes of the two upright columns; the two ends of the supporting rod are symmetrically provided with a plurality of limiting pin holes; the limiting pin holes at the same end of the supporting rod are arranged along the axial direction of the supporting rod; the shaft sleeve is sleeved on the supporting rod and located at the two sides of the upright columns; the supporting frame is provided with two supporting frames arranged at the two sides of the gantry; the two ends of the supporting frame are provided with mounting holes matched with the supporting rod; the supporting frame is mounted between the two supporting rods through the mounting holes; the shaft sleeve is pressed against the upright columns by the supporting frame; the limiting pin is in plug-in cooperation with the limiting pin hole; the limiting pin is used for limiting the supporting frame; the supporting seat is mounted on the top surface of the supporting frame; the supporting shaft is rotatably arranged on the supporting seat.

4. A pipe bending device for vehicle repair according to claim 3, wherein The supporting seat comprises two supporting plates arranged symmetrically; the top of the supporting plate is provided with a plurality of supporting grooves.

5. A pipe bending device for automotive repair according to claim 4, wherein The supporting shaft comprises a rotating shaft part, a main body part and a supporting part; the rotating shaft part is arranged at the two ends of the main body part and in rotational cooperation with the supporting groove; the supporting part is arranged on the outer wall of the main body part and has an arc surface structure.

6. The pipe bending apparatus for automotive repair of claim 1, wherein, The power lifting assembly comprises a pneumatic hydraulic jack, a pneumatic booster and a spring; the pneumatic hydraulic jack is mounted on the top surface of the pressing beam; the output end of the pneumatic hydraulic jack is in abutment with the bottom surface of the cross beam; the pneumatic booster is mounted on the air inlet of the pneumatic hydraulic jack; the pneumatic booster is connected with an external air source; the spring has two ends; the upper end of the spring is connected with the cross beam; the lower end of the spring is connected with the pressing beam; the two springs are arranged at the two sides of the pneumatic hydraulic jack.

7. The pipe bending apparatus for automotive repair of claim 1, wherein, The two ends of the pressing beam are respectively provided with U-shaped sliding blocks; the pressing beam is in sliding cooperation with the upright columns through the U-shaped sliding blocks.

8. The pipe bending apparatus for automotive repair of claim 1, wherein, The gantry further comprises a support leg and a base beam, the support leg is arranged at the lower end of the column, and the support leg is perpendicular to the plane formed by the column and the beam, and the base beam is connected between the two columns and located at the lower end of the column.

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