Hydraulic forming device for bicycle pipe fitting
By designing an automated bicycle tube hydraulic forming device, which uses a hydraulic cylinder to drive the upper mold and rotating seat, combined with a belt conveyor and a storage tank, the problems of high labor intensity and low efficiency in the existing technology are solved, and efficient automated production is achieved.
Patent Information
- Application Number
- CN202520516668.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-24
AI Technical Summary
Existing hydroforming equipment for bicycle tubing is labor-intensive, has low processing efficiency, and requires manual loading and unloading.
A bicycle tube hydraulic forming device was designed, consisting of an upper body and a lower body. The device uses a hydraulic cylinder to drive the upper mold and rotating seat, combined with a belt conveyor and a storage tank, to achieve automated loading and unloading and alternating operation.
It has improved work efficiency, reduced labor intensity, achieved automated production, and reduced human intervention.
Smart Images

Figure CN223946570U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bicycle pipe fitting processing technical field especially relates to a bicycle pipe fitting hydraulic forming device. BACKGROUND
[0002] The bicycle pipe fitting hydraulic forming device is a kind of equipment specially used to manufacture high-quality, high-strength bicycle frame pipe fittings. By using liquid (usually oil) as medium to apply high pressure, metal pipe material is deformed in die, so that the pipe fitting of required shape and size is obtained. At present, the common hydraulic forming device generally includes an upper die and a lower die, and the feeding and discharging processes need to be manually carried out, resulting in high labor intensity and low processing efficiency in the whole pipe fitting hydraulic forming process. SUMMARY
[0003] The utility model aims at solving the insufficient prior art and provides a bicycle pipe fitting hydraulic forming device.
[0004] The utility model discloses a kind of bicycle pipe fitting hydraulic forming devices, including:
[0005] Upper machine body, including upper machine frame, first hydraulic cylinder, U-shaped seat, upper die, U-shaped seat is slidably arranged on the inner wall of upper machine frame before and after, and power mechanism for driving U-shaped seat sliding is equipped in upper machine frame, first hydraulic cylinder is installed in U-shaped seat, upper die is set below U-shaped seat and is driven lifting by first hydraulic cylinder, guiding mechanism is equipped between upper die and U-shaped seat;
[0006] Lower machine body, including lower machine frame, rotating seat, pivot, lower die, a pair of rotating seat is rotatably connected on the inner wall of lower machine frame before and after by pivot, lower die is installed on rotating seat top, motor for driving pivot rotation is equipped on the front side of lower machine frame, locking mechanism for locking lower die is equipped on lower machine frame;
[0007] Belt conveyor is set below lower machine frame.
[0008] Storage tank is set on both sides of lower machine frame.
[0009] In particular, upper machine frame and lower machine frame are provided with support column at four corners of opposite surface, and lower machine frame bottom is provided with support leg at four corners.
[0010] In particular, a pair of first guide rods is arranged between the inner wall of the two sides of upper machine frame and penetrates U-shaped seat, and a limiting sleeve is slidably arranged on the first guide rod, and the limiting sleeve is fixed by bolt compression.
[0011] In particular, power mechanism includes second hydraulic cylinder arranged on one side of upper machine frame, and the telescopic end of second hydraulic cylinder penetrates into upper machine frame and is fixed to the outer wall of U-shaped seat.
[0012] Particularly, the guide mechanism includes second guide rods fixed on both sides of the bottom of the U-shaped seat, and the upper mold is provided with guide holes corresponding to the second guide rods, and the second guide rods pass through the guide holes.
[0013] Particularly, the rotating seat is provided with a pair of sliding rods on the front and rear side walls, and the lower machine frame is provided with sliding grooves corresponding to the sliding rods on the front and rear inner walls.
[0014] Particularly, the middle of the front and rear inner walls of the lower machine frame is provided with a support block for supporting the lower mold.
[0015] Particularly, the locking mechanism includes a mounting frame arranged on the rear side of the lower machine frame, a pair of third hydraulic cylinders are mounted on the mounting frame, the telescopic end of the third hydraulic cylinder is fixedly connected with a push plate, the front side of the push plate is provided with a plug rod, and the bottom of the lower mold is provided with a plug sleeve corresponding to the plug rod.
[0016] Particularly, the outer surface of the belt conveyor is provided with a buffer pad.
[0017] The beneficial effects of the utility model are: the utility model discloses two lower molds, one movable upper mold, left and right alternate work, no frequent shutdown for feeding and discharging, high working efficiency, and the storage tank is arranged on the side of the lower machine frame, convenient feeding, reduce labor intensity, through the setting rotating seat, motor, locking mechanism, belt conveyor, when discharging, no manual taking, convenient direct conveying to the next process, time saving and labor saving, convenient to use. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structure schematic diagram of the utility model;
[0019] Figure 2 It is the internal structure schematic diagram of the upper machine frame and the lower machine frame of the utility model;
[0020] Figure 3 It is the locking mechanism structure schematic diagram of the utility model;
[0021] In the drawing:
[0022] 1-upper machine body;101-upper machine frame;102-first hydraulic cylinder;103-U-shaped seat;104-upper mold;105-first guide rod;106-limiting sleeve;107-second hydraulic cylinder;108-second guide rod;
[0023] 2-lower machine body;201-lower machine frame;202-rotating seat;203-rotating shaft;204-lower mold;205-motor;206-sliding rod;207-sliding groove;208-support block;209-mounting frame;210-third hydraulic cylinder;211-push plate;212-plug rod;213-plug sleeve;
[0024] 3 - belt conveyor; 301 - cushion;
[0025] 4 - storage tank;
[0026] 5 - support column;
[0027] 6 - leg;
[0028] The following will be described in detail with reference to the accompanying drawings in conjunction with the embodiments of the present application. DETAILED DESCRIPTION
[0029] The present application will be further described below in conjunction with the drawings and embodiments:
[0030] As Figures 1-3 shown, a bicycle pipe hydraulic forming device, comprising:
[0031] The upper machine body 1 comprises an upper machine frame 101, a first hydraulic cylinder 102, a U-shaped seat 103, and an upper die 104. The U-shaped seat 103 is slidingly arranged on the front and rear inner walls of the upper machine frame 101, and the upper machine frame 101 is provided with a power mechanism for driving the U-shaped seat 103 to slide. The power mechanism comprises a second hydraulic cylinder 107 arranged on one side of the upper machine frame 101. The telescopic end of the second hydraulic cylinder 107 penetrates into the upper machine frame 101 and is fixedly connected to the outer wall of the U-shaped seat 103. The first hydraulic cylinder 102 is installed in the U-shaped seat 103. The upper die 104 is arranged below the U-shaped seat 103 and is driven to rise and fall by the first hydraulic cylinder 102. A guide mechanism is arranged between the upper die 104 and the U-shaped seat 103. The guide mechanism comprises second guide rods 108 fixedly arranged on both sides of the bottom of the U-shaped seat 103. The upper die 104 is provided with guide holes corresponding to the second guide rods 108, and the second guide rods 108 penetrate through the guide holes. The arrangement of the guide mechanism can ensure the accurate downward movement of the upper die 104 and avoid errors.
[0032] A pair of first guide rods 105 penetrating through the U-shaped seat 103 are arranged between the inner walls on both sides of the upper machine frame 101. A limiting sleeve 106 is slidingly arranged on the first guide rod 105, and the limiting sleeve 106 is fixedly pressed by bolts. The arrangement of the first guide rod 105 can guide the sliding direction of the U-shaped seat 103 and avoid deviation. At the same time, the limiting sleeve 106 can slide on the first guide rod 105. According to the positions of the two lower dies 204, the two limiting sleeves 106 are locked on both sides of the first guide rod 105. When the U-shaped seat 103 contacts the left limiting sleeve 106, the upper die 104 is in direct correspondence with the left lower die 204. When the U-shaped seat 103 contacts the right limiting sleeve 106, the upper die 104 is in direct correspondence with the right lower die 204, thereby ensuring the moving accuracy.
[0033] The lower machine body 2 comprises a lower machine frame 201, rotating seats 202, a rotating shaft 203, a lower mold 204, a pair of rotating seats 202 are rotationally connected to the front and rear inner walls of the lower machine frame 201 through the rotating shaft 203, a pair of sliding rods 206 are arranged on the front and rear side walls of the rotating seat 202, sliding grooves 207 corresponding to the sliding rods 206 are arranged on the front and rear inner walls of the lower machine frame 201, the sliding rods 206 are slidingly arranged in the sliding grooves 207, the lower mold 204 is installed on the top of the rotating seat 202, a motor 205 for driving the rotating shaft 203 to rotate is arranged on the front side of the lower machine frame 201, and a locking mechanism for locking the lower mold 204 is arranged on the lower machine frame 201.
[0034] Supporting blocks 208 for supporting the lower mold 204 are arranged in the middle of the front and rear inner walls of the lower machine frame 201, and the arrangement of the supporting blocks 208 not only provides support for the lower mold 204, but also limits the rotation of the lower mold 204.
[0035] The locking mechanism comprises a mounting frame 209 arranged on the rear side of the lower machine frame 201, a pair of third hydraulic cylinders 210 are mounted on the mounting frame 209, push plates 211 are fixedly connected to the ends of the third hydraulic cylinders 210, plug rods 212 are arranged on the front side of the two ends of the push plates 211, plug sleeves 213 corresponding to the plug rods 212 are arranged at the two ends of the bottom of the lower mold 204, the lower mold 204 is locked by the plug rods 212 penetrating into the lower machine frame 201 and being inserted into the plug sleeves 213. When the lower mold 204 is loaded, the plug rods 212 are inserted into the plug sleeves 213 to further lock and avoid errors, and when the lower mold 204 is unloaded, the plug rods 212 can be removed from the plug sleeves 213.
[0036] The belt conveyor 3 is arranged below the lower machine frame 201, and a buffer pad 301 such as a rubber pad is arranged on the outer surface of the belt of the belt conveyor 3. The arrangement of the buffer pad 301 can prevent the surface of the pipe from being damaged when the pipe falls, the belt conveyor 3 can receive the formed pipe and directly convey it to the next process without manual taking, saving time and effort and improving efficiency.
[0037] The storage tank 4 is arranged on both sides of the lower machine frame 201, which facilitates direct placement of the pipe on the lower mold 204. Further, a loading mechanical arm can be arranged beside the storage tank 4 to load by vacuum suction, realizing unmanned operation of the whole process.
[0038] Supporting columns 5 are arranged at the four corners of the opposite surfaces of the upper machine frame 101 and the lower machine frame 201, and supporting legs 6 are arranged at the four corners of the bottom of the lower machine frame 201.
[0039] The utility model discloses a work, place pipe fitting on two lower moulds 204, at this moment, the upper mould 104 is opposite with left lower mould 203, the first hydraulic cylinder 102 works, and the pipe fitting is formed when the upper mould 104 and left lower mould 204 close die, after forming, the second hydraulic cylinder 107 drives the upper mould 104 and removes to the right lower mould 204 top, carry out hydraulic forming again, at this moment, the locking mechanism on left lower mould 204 loosens lower mould 204, then rotates 180 degrees under the action of motor 205, and the pipe fitting of forming falls on the belt conveyor 3 directly, is transported to the next procedure through the belt conveyor 3, then resets and continues to feed, and the upper mould 104 works alternately, improves work efficiency.
[0040] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.
[0041] In addition, the terms "first" and "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 defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.
[0042] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection or communication with each other; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0043] The utility model has been described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode, as long as various improvements are made by adopting the method concept and technical scheme of the utility model, or directly applied to other occasions without improvement, which is within the protection scope of the utility model.
Claims
1. A hydraulic forming apparatus for a bicycle tube, characterized by, The utility model relates to a double-sided moulding machine, which comprises an upper machine body (1) and a lower machine body (2). The upper machine body (1) comprises an upper machine frame (101), a first hydraulic cylinder (102), a U-shaped seat (103) and an upper mould (104). The U-shaped seat (103) is slidably arranged on the front and rear inner walls of the upper machine frame (101), and the upper machine frame (101) is internally provided with a power mechanism for driving the U-shaped seat (103) to slide. The first hydraulic cylinder (102) is mounted in the U-shaped seat (103), and the upper mould (104) is arranged below the U-shaped seat (103) and is driven to ascend and descend by the first hydraulic cylinder (102). A guide mechanism is arranged between the upper mould (104) and the U-shaped seat (103).
2. A hydraulic forming apparatus for bicycle tubes as claimed in claim 1, wherein, The lower machine body (2) comprises a lower machine frame (201), a rotating seat (202), a rotating shaft (203) and a lower mould (204).
3. A hydraulic forming apparatus for bicycle tubes as defined in claim 1, wherein A pair of rotating seats (202) are rotatably connected to the front and rear inner walls of the lower machine frame (201) through the rotating shaft (203), and the lower mould (204) is mounted on the top of the rotating seat (202).
4. The apparatus according to claim 1, wherein The front side of the lower machine frame (201) is provided with a motor (205) for driving the rotating shaft (203) to rotate.
5. The apparatus according to claim 1, wherein The upper machine frame (101) and the lower machine frame (201) are provided with support columns (5) at the four corners of the opposite faces.
6. A hydraulic forming apparatus for bicycle tubes as defined in claim 1, wherein The bottom of the lower machine frame (201) is provided with support legs (6) at the four corners.
7. A hydraulic forming apparatus for bicycle tubes as defined in claim 1, wherein A pair of first guide rods (105) are arranged between the inner walls of the two sides of the upper machine frame (101) and penetrate the U-shaped seat (103).
8. A hydraulic forming apparatus for bicycle tubes as defined in claim 1, wherein A limiting sleeve (106) is slidably arranged on the first guide rod (105). The power mechanism comprises a second hydraulic cylinder (107) arranged on one side of the upper machine frame (101). The telescopic end of the second hydraulic cylinder (107) penetrates into the upper machine frame (101) and is fixedly connected to the outer wall of the U-shaped seat (103). The guide mechanism comprises second guide rods (108) fixedly arranged on the two sides of the bottom of the U-shaped seat (103). The upper mould (104) is provided with guide holes corresponding to the second guide rods (108), and the second guide rods (108) penetrate the guide holes. The rotating seat (202) is provided with a pair of slide rods (206) on the front and rear side walls. The lower machine frame (201) is provided with slide grooves (207) corresponding to the slide rods (206) on the front and rear inner walls. The lower machine frame (201) is provided with support blocks (208) for supporting the lower mould (204) in the middle of the front and rear inner walls. The locking mechanism comprises a mounting frame (209) arranged on the rear side of the lower machine frame (201). A pair of third hydraulic cylinders (210) are mounted on the mounting frame (209). The telescopic end of the third hydraulic cylinder (210) is fixedly connected to a push plate (211). The front side of the push plate (211) is provided with insertion rods (212) at the two ends. The bottom of the lower mould (204) is provided with insertion sleeves (213) corresponding to the insertion rods (212). The lower mould (204) penetrates into the lower machine frame (201) through the insertion rods (212) and is locked by being inserted into the insertion sleeves (213).
9. The apparatus according to claim 1, wherein The outer surface of the belt conveyor (3) is provided with a buffer pad (301).