Clamping fixture for hydraulic oil cylinder production and machining
By adjusting the distance of the placement plate through a bidirectional screw and belt drive system, combined with a motor-driven threaded rod and clamping block, the problem of insufficient adaptability of hydraulic cylinder clamps is solved, achieving stable clamping and high-precision machining.
Patent Information
- Application Number
- CN202422947386.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Existing hydraulic cylinder fixtures cannot accommodate hydraulic cylinders of different lengths and sizes, leading to wobbling and accuracy issues during machining.
The distance between the placement plates is adjusted by a bidirectional screw and belt drive system, and the screw rod and clamping block are driven by a motor to adapt to hydraulic cylinders of different sizes, so as to achieve stable clamping.
It enables stable clamping of hydraulic cylinders of different lengths and sizes, prevents swaying, and improves machining accuracy.
Smart Images

Figure CN223572948U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hydraulic cylinder production technical field, especially hydraulic cylinder production and processing with clamping fixture. BACKGROUND
[0002] Hydraulic cylinder is the hydraulic energy conversion mechanical energy, do linear reciprocating motion (or swing motion) hydraulic actuator, it simple structure, reliable work, need to clamp the hydraulic cylinder and process the hydraulic cylinder in the production of hydraulic cylinder.
[0003] Among them CN218696342U discloses a kind of clamp for hydraulic cylinder production and processing, the clamp for hydraulic cylinder production and processing includes base, the middle part of base is provided with support table, the top of base is provided with two mobile grooves symmetrically distributed in the left and right sides of support table, the inside of each mobile groove is slidably connected with two symmetrically distributed clamping plates, first push component for pushing is provided between the two clamping plates and reversely slides along mobile groove, the inside of two clamping plates is provided with sliding slot along its height direction, the inside of two sliding slots is slidably connected with sliding block.
[0004] But there are still problems, in actual use process, the distance of two groups of clamping plates on the two sides of support table is fixed, so that the device cannot better adapt to the length of hydraulic cylinder;When hydraulic cylinder is shorter, place hydraulic cylinder on support table, hydraulic cylinder cannot be clamped by the clamping plate at both ends;When hydraulic cylinder is longer, the two ends of hydraulic cylinder are longer than clamping plate, which can cause the center of gravity of hydraulic cylinder to be unstable and shake, so that hydraulic cylinder cannot be processed, and there is certain limitation. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of clamp for hydraulic cylinder production and processing to solve the problems in the background art, and is convenient for promotion.
[0006] In order to achieve the above-mentioned utility model purposes, the technical scheme adopted by the utility model is as follows:
[0007] A clamping fixture for manufacturing hydraulic cylinders includes a base plate. Two vertical plates, the first and the second, are symmetrically connected to the top of the base plate. Two bidirectional screws, the first and the second, are rotatably connected to one side of each of the two vertical plates. The ends of the bidirectional screws, the first and the second, away from the vertical plate, pass through the first vertical plate and are respectively fixedly connected to a drive pulley and a driven pulley. A belt drives between the drive pulley and the driven pulley. Threaded blocks, the first and the second, are symmetrically threaded onto the bidirectional screws. A placement plate is fixedly connected to the top of each threaded block. A fixing plate is symmetrically connected to the top of the placement plate. A drive motor, the first, is located on the opposite side of each fixing plate. A threaded rod is fixedly connected to the output end of the drive motor. A threaded cylinder is threadedly connected to the outer surface of the threaded rod away from the output end of the drive motor. A clamping block is fixedly connected to the end of the threaded cylinder closest to each other.
[0008] Furthermore, a second drive motor is fixedly connected to one side of the top of the base plate, and the output end of the second drive motor is fixedly connected to the drive pulley.
[0009] Furthermore, a limiting rod is fixedly connected between the first upright plate and the second upright plate, and the first threaded block and the second threaded block are slidably connected to the limiting rod respectively.
[0010] Furthermore, guide grooves are symmetrically provided on both sides of the top of the placement plate, and guide rods are slidably connected in the guide grooves. The top of the guide rods is fixedly connected to the outer surface of the threaded cylinder.
[0011] Furthermore, a support plate is fixedly connected to one of the opposite sides of the fixing plate, and the top of the support plate is fixedly connected to the outer surface of the drive motor.
[0012] The beneficial effects of this utility model are as follows:
[0013] This utility model discloses a clamping fixture for the production and processing of hydraulic cylinders. First, based on the length of the hydraulic cylinder, a second drive motor is started, which drives the pulley to rotate via a belt, thereby rotating the first and second double-headed screws. This, in turn, causes the first and second threaded blocks to move towards or relative to each other, thus adjusting the distance between the two placement plates. This further clamps hydraulic cylinders of different lengths, preventing the hydraulic cylinders from shaking during processing and affecting processing accuracy. Then, based on the size of the hydraulic cylinder to be processed, the first drive motor is started, which drives the threaded rod to rotate inside the threaded cylinder. The threaded cylinder then pushes the clamping blocks to move, causing the clamping blocks to abut against the outer surface of the hydraulic cylinder. This fixture can accommodate hydraulic cylinders of different sizes, further facilitating the processing of hydraulic cylinders. Attached Figure Description
[0014] Fig. 1The utility model discloses a hydraulic oil cylinder production and processing is with clamping fixture bottom plate structure schematic diagram;
[0015] Fig. 2 The utility model discloses a hydraulic oil cylinder production and processing is with clamping fixture bottom plate structure schematic diagram;
[0016] Fig. 3 The utility model discloses a hydraulic oil cylinder production and processing is with clamping fixture A place enlarged view;
[0017] Fig. 4 The utility model discloses a hydraulic oil cylinder production and processing is with clamping fixture B place enlarged view;
[0018] The utility model discloses a hydraulic oil cylinder production and processing is with clamping fixture B place enlarged view;
[0019] 1, bottom plate, 2, vertical board no. 1, 3, vertical board no. 2, 4, two -way screw no. 1, 5, two -way screw no. 2, 6, drive pulley, 7, driven pulley, 8, belt, 9, threaded block no. 1, 10, threaded block no. 2, 11, place board, 12, fixed plate, 13, drive motor no. 1, 14, threaded rod, 15, threaded cylinder, 16, clamping block, 17, drive motor no. 2, 18, limit rod, 19, guide slot, 20, guide rod, 21, support plate. Specific embodiments
[0020] The specific embodiments of the utility model will be further explained below in combination with the drawings. Same parts are indicated with same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a specific part.
[0021] In order to make the content of the utility model more easily understood clearly, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Same parts are indicated with same reference numerals.
[0022] By Figs. 1 to 4As shown, a hydraulic cylinder production and processing clamping fixture, including the bottom plate 1, the top of the bottom plate 1 both sides are symmetrically connected with vertical plate one 2 and vertical plate two 3, two vertical plate two 3 side respectively rotatingly connected with two-way screw rod one 4 and two-way screw rod two 5, two-way screw rod one 4 and two-way screw rod two 5 away from vertical plate two 3 one end all through vertical plate one 2 and are respectively fixedly connected with drive belt pulley 6 and driven belt pulley 7, drive belt pulley 6 and driven belt pulley 7 between transmission connection has the belt 8, two-way screw rod one 4 and two-way screw rod two 5 are respectively symmetrically screwed with threaded block one 9 and threaded block two 10, threaded block one 9 and threaded block two 10 top are all fixedly connected with the placement plate 11, the placement plate 11 top is symmetrically connected with the fixed plate 12, the fixed plate 12 is away from each other one side is provided with drive motor one 13, drive motor one 13 output end is fixedly connected with threaded rod 14, threaded rod 14 away from drive motor one 13 output end one end outer surface is screwed with threaded cylinder 15, threaded cylinder 15 is close to each other one end fixedly connected with clamping block 16, first according to the length of hydraulic cylinder, start drive motor two 17, in turn drive belt pulley 6 through belt 8 drive driven belt pulley 7 rotation, in turn drive two-way screw rod one 4 and two-way screw rod two 5 rotation, in turn drive threaded block one 9 and threaded block two 10 move towards or opposite, to adjust the distance between the two placement plates 11, further clamp hydraulic cylinder of different length, in turn prevent hydraulic cylinder from shaking in the processing process, thereby affecting the processing precision, then according to the size of the hydraulic cylinder to be processed, start drive motor one 13, in turn drive threaded rod 14 rotates in the inside of threaded cylinder 15, threaded cylinder 15 will push clamping block 16 to move, so that clamping block 16 is in contact with the outer surface of the hydraulic cylinder, can adapt to different size hydraulic cylinder, further facilitate the processing of hydraulic cylinder.
[0023] The bottom plate 1 top one side is fixedly connected with drive motor two 17, drive motor two 17 output end is fixedly connected with drive belt pulley 6, by setting drive motor two 17, in turn drive drive belt pulley 6 rotation, provide power.
[0024] The vertical plate one 2 and vertical plate two 3 between fixedly connected with limit rod 18, threaded block one 9 and threaded block two 10 are respectively slidably connected with limit rod 18, by setting limit rod 18, while limiting threaded block one 9 and threaded block two 10, ensure the stability of threaded block one 9 and threaded block two 10 when moving.
[0025] The top of the placement plate 11 both sides symmetrically set up guide slot 19, the guide slot 19 is slidably connected with guide rod 20, the guide rod 20 top is fixedly connected with the outer surface of threaded cylinder 15, through the sliding connection of guide rod 20 and guide slot 19, on the one hand can support and fix threaded cylinder 15, on the other hand can avoid the rotation of threaded cylinder 15.
[0026] The fixed plates 12 are fixedly connected with the supporting plates 21 on the sides away from each other, and the top of each supporting plate 21 is fixedly connected with the outer surface of the driving motor 13.
[0027] The above is only the preferred embodiment of the utility model patent, and is not used to limit the utility model patent, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model patent should be included in the protection scope of the utility model patent.
Claims
1. A clamping fixture for manufacturing and processing hydraulic cylinders, comprising a base plate (1), characterized in that, The bottom plate (1) is symmetrically connected to two vertical plates (2) and (3) on both sides of its top. Two double screws (4) and (5) are rotatably connected to one side of each of the two vertical plates (3). The ends of the double screws (4) and (5) away from the vertical plate (3) pass through the vertical plate (2) and are respectively fixedly connected to a drive pulley (6) and a driven pulley (7). A belt (8) is connected between the drive pulley (6) and the driven pulley (7). Threaded blocks are symmetrically threaded onto the double screws (4) and (5). (9) and threaded block two (10), the top of threaded block one (9) and threaded block two (10) are fixedly connected to a placement plate (11), the top of the placement plate (11) is symmetrically connected to a fixing plate (12), the fixed plates (12) are provided with a drive motor one (13) on the side away from each other, the output end of the drive motor one (13) is fixedly connected to a threaded rod (14), the outer surface of the threaded rod (14) away from the output end of the drive motor one (13) is threadedly connected to a threaded cylinder (15), the end of the threaded cylinder (15) close to each other is fixedly connected to a clamping block (16).
2. The clamping fixture for hydraulic cylinder manufacturing and processing according to claim 1, characterized in that, A second drive motor (17) is fixedly connected to one side of the top of the base plate (1), and the output end of the second drive motor (17) is fixedly connected to the drive pulley (6).
3. The clamping fixture for manufacturing and processing hydraulic cylinders according to claim 1, characterized in that, A limiting rod (18) is fixedly connected between the first upright plate (2) and the second upright plate (3), and the first threaded block (9) and the second threaded block (10) are slidably connected to the limiting rod (18).
4. The clamping fixture for manufacturing and processing hydraulic cylinders according to claim 1, characterized in that, The placement plate (11) has symmetrical guide grooves (19) on both sides of the top. A guide rod (20) is slidably connected in the guide groove (19). The top of the guide rod (20) is fixedly connected to the outer surface of the threaded cylinder (15).
5. A clamping fixture for manufacturing and processing hydraulic cylinders according to claim 1, characterized in that, A support plate (21) is fixedly connected to one side of the fixed plate (12) that is far apart from each other, and the top of the support plate (21) is fixedly connected to the outer surface of the drive motor (13).