A push rod mechanism of a quick clamping air cylinder

The automatic movement of the adjusting push rod is achieved by driving the lead screw with a motor, and the linkage between the pressing push rod and the pressure head completes the clamping and releasing of the cylinder body. This solves the problem of needing to manually rotate the locking screw in the existing technology, and improves production efficiency and adaptability.

CN224374033UActive Publication Date: 2026-06-19OUNIBO (SHANGHAI) MASCH AUTOMATION CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
OUNIBO (SHANGHAI) MASCH AUTOMATION CO LTD
Filing Date
2025-07-17
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

The existing push rod mechanism for quick-clamping cylinder blocks requires manual rotation of the locking screw each time the cylinder block is clamped and unlocked, which is cumbersome and inefficient.

Method used

The motor drives the lead screw to realize the automated movement of the adjusting push rod, and the linkage between the clamping push rod and the pressure head completes the clamping and releasing action. One-button operation is achieved through the remote control system.

Benefits of technology

It completely eliminates the tedious steps of manually rotating and tightening the screws one by one, significantly shortens the clamping time, improves production efficiency, and adapts to the clamping requirements of different cylinder models.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224374033U_ABST
    Figure CN224374033U_ABST
Patent Text Reader

Abstract

The application discloses a push rod mechanism for quickly clamping a cylinder body and belongs to the field of cylinder body positioning tools. The push rod mechanism for quickly clamping a cylinder body comprises a workbench for placing a cylinder body, a pressure head is arranged at a position corresponding to each corner of the top of the cylinder body on the workbench, a pressure push rod with a movable end and fixedly connected with the pressure head is arranged above the pressure head, and an adjusting push rod for moving the pressure push rod along the width direction of the cylinder body is arranged at a position corresponding to each side of the cylinder body on the workbench. The push rod mechanism for quickly clamping a cylinder body realizes the automatic movement of the adjusting push rod through a motor-driven screw rod, and then linkage of the pressure push rod and the pressure head is realized to complete clamping and loosening actions. The whole process is completed instantaneously through one-key operation, and the complicated steps of traditional manual rotation of locking screws are completely abandoned, the clamping time is significantly shortened, and the production efficiency is improved.
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Description

Technical Field

[0001] This application relates to the field of cylinder block positioning tooling technology, specifically a push rod mechanism for quickly clamping a cylinder block. Background Technology

[0002] A cylinder block positioning fixture is a device specifically designed for fixing and positioning cylinder blocks, playing an important role in engine manufacturing and repair.

[0003] Chinese utility model patent CN220006919U discloses a push rod mechanism for quickly clamping a cylinder body, belonging to the field of cylinder body assembly technology, which solves the problem of difficulty in fixing existing cylinder bodies during assembly. When the cylinder body is hoisted onto the worktable, the cylinder retracts, and the output end of the cylinder drives the slider and the clamping block to move outward together, avoiding interference with the cylinder body hoisting. After the cylinder body is hoisted, the cylinder starts to work, and the output end of the cylinder drives the slider and the clamping block to move inward together, so that the clamping block is located above the cylinder body. By tightening the locking screw, the clamping block moves downward under the action of the long sliding groove and the inclined surface until it clamps the cylinder body.

[0004] However, the aforementioned push rod mechanism for quickly clamping the cylinder body requires manual rotation of the locking screw each time the cylinder body is clamped and unlocked, which is cumbersome, wastes manpower, and is inefficient.

[0005] Therefore, this application provides a push rod mechanism for quickly clamping the cylinder body to solve the above problems. Utility Model Content

[0006] This application provides a push rod mechanism for quickly clamping cylinder bodies, which aims to solve the problem that the existing push rod mechanism for quickly clamping cylinder bodies in the background art requires manual rotation of the locking screw each time the cylinder body is clamped and unlocked, which is cumbersome, wastes manpower, and is inefficient.

[0007] To achieve the above objectives, this application provides the following technical solution: a push rod mechanism for quickly clamping a cylinder body, comprising a worktable for placing the cylinder body, a pressure head being provided at each of the four corners of the top of the cylinder body on the worktable, a pressing push rod having a movable end fixedly connected to the pressure head being provided above each pressure head, and an adjusting push rod being provided at each of the two sides of the cylinder body on the worktable for moving the pressing push rod along the width direction of the cylinder body, the movable end of the adjusting push rod being fixedly connected to the pressing push rod through a connecting arm.

[0008] The adjusting push rod is slidably connected to the worktable along the length of the cylinder body. A lead screw, screwed to the adjusting push rod, is rotatably mounted on the worktable. A motor with its output shaft connected to the lead screw is fixedly mounted on the worktable. Thus, the motor drives the lead screw, achieving automated movement of the adjusting push rod, which in turn links the clamping push rod and the pressure head to complete the clamping and releasing actions. The entire process is completed instantly with a single button operation, completely eliminating the tedious steps of manually rotating each locking screw, significantly shortening clamping time and improving production efficiency.

[0009] Preferably, the bottom of the adjusting push rod is symmetrically fixed with a first slide block, and two first T-shaped rails that are slidably connected to the first slide block are fixedly installed on the worktable.

[0010] Preferably, a second slide block is fixedly installed at the bottom of the connecting arm, and a second T-shaped track is slidably arranged on the worktable, which is slidably connected to the second slide block and parallel to the first T-shaped track. The bottom of the second T-shaped track has at least two T-shaped sliders arranged at equal intervals, and the worktable has a groove for accommodating the sliding of the T-shaped sliders. The direction of the groove is consistent with the axial direction of the adjusting push rod.

[0011] Preferably, the outer wall of the pressing push rod has a flange edge, and the front end of the connecting arm is fixedly connected to a plurality of fixing bolts arranged in a circular array and passing through the mounting holes of the flange edge. Each fixing bolt is screwed with a lock nut for locking the flange edge at the front end of the connecting arm.

[0012] Preferably, each pressure head end has a rubber pad.

[0013] Preferably, the adjusting push rod, the motor, and the pressing push rod are all connected to the remote control system.

[0014] The push rod mechanism of this quick-clamping cylinder body uses a motor-driven lead screw to automatically move the adjusting push rod, which in turn links the clamping push rod and the pressure head to complete the clamping and releasing actions. The entire process is completed instantly with a single button operation, completely eliminating the tedious steps of manually rotating each locking screw, significantly shortening clamping time and improving production efficiency.

[0015] This quick-clamping cylinder push rod mechanism, by adjusting the movement range of the push rod and in conjunction with the design of the connecting arm, can adapt to the clamping requirements of different models of cylinders within a certain size range. The clamping push rod itself usually also has a certain stroke adjustment capability, thus having better adaptability. Attached Figure Description

[0016] Figure 1 A schematic diagram of a push rod mechanism for quickly clamping a cylinder block;

[0017] Figure 2for Figure 1 Enlarged structural diagram at point A in the middle.

[0018] In the picture:

[0019] 1. Workbench; 11. Slide rail;

[0020] 2. Cylinder block;

[0021] 3. Pressure head; 31. Rubber pad;

[0022] 4. Pressing push rod; 41. Flange edge;

[0023] 5. Adjust the push rod;

[0024] 6. Connecting arm; 61. Fixing bolt; 62. Lock nut;

[0025] 7. Moving mechanism; 71. Lead screw; 72. Motor;

[0026] 8. First T-shaped track; 81. Second T-shaped track;

[0027] 9. First slide; 91. Second slide. Detailed Implementation

[0028] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] This embodiment provides a push rod mechanism for quickly clamping the cylinder body, such as... Figures 1-2 As shown, the push rod mechanism for quickly clamping the cylinder body includes a worktable 1 for placing the cylinder body 2. A pressure head 3 is provided on the worktable 1 at each of the four corners of the top of the cylinder body 2. A pressing push rod 4 with its movable end fixedly connected to the pressure head 3 is provided above each pressure head 3. An adjusting push rod 5 is provided on the worktable 1 at each of the two sides of the cylinder body 2 for moving the pressing push rod 4 along the width direction of the cylinder body 2. The movable end of the adjusting push rod 5 is fixedly connected to the pressing push rod 4 through a connecting arm 6.

[0030] The adjusting push rod 5 is slidably connected to the worktable 1 along the length of the cylinder body 2. A lead screw 71, which is screwed to the adjusting push rod 5, is rotatably mounted on the worktable 1. A motor 72, whose output shaft is connected to the lead screw 71, is fixedly mounted on the worktable 1.

[0031] In use, the cylinder body 2 to be processed or inspected is placed in the designated position on the worktable 1. The operator starts the motor 72, and the output shaft of the motor 72 rotates, driving the lead screw 71 connected to it to rotate. Since the lead screw 71 is screwed to the adjusting push rod 5, and the adjusting push rod 5 is slidably connected to the worktable 1 along the length direction of the cylinder body 2, the rotation of the lead screw 71 forces the adjusting push rod 5 to move linearly along the length direction of the cylinder body 2. The movable end of the adjusting push rod 5 is fixedly connected to the clamping push rod 4 through the connecting arm 6. Therefore, the linear movement of the adjusting push rod 5 will drive the connecting arm 6 to move synchronously, connecting... The movement of arm 6 will push or pull the clamping push rod 4 fixed to it to move along the width direction of cylinder body 2. The movable end of the clamping push rod 4 is fixedly connected to the pressure head 3. Therefore, the movement of the clamping push rod 4 along the width direction directly drives the pressure head 3 to move in the width direction of cylinder body 2, so that it is accurately aligned with the clamping position of the top corner of cylinder body 2. At the same time or shortly thereafter, the movable end of the clamping push rod 4 itself extends out, driving the pressure head 3 to move downward. The four pressure heads 3 located at the four corners of the top of cylinder body 2 move downward synchronously and finally press against the corresponding top corner of cylinder body 2, completing the rapid clamping and positioning.

[0032] Specifically, the bottom of the adjusting push rod 5 is symmetrically fixed with a first slide block 9, and two first T-shaped rails 8 that are slidably connected to the first slide block 9 are fixedly installed on the worktable 1. When the motor 72 drives the lead screw 71 to rotate, the adjusting push rod 5 slides smoothly along the first T-shaped rails 8 through the first slide block 9 to achieve linear movement along the length of the cylinder body 2. The cooperation between the T-shaped rails and the slide block provides the ability to resist overturning torque, ensuring that the adjusting push rod 5 does not shake under heavy load.

[0033] Furthermore, a second slide block 91 is fixedly installed at the bottom of the connecting arm 6. A second T-shaped track 81, which is slidably connected to the second slide block 91 and parallel to the first T-shaped track 8, is slidably arranged on the worktable 1. The bottom of the second T-shaped track 81 has at least two T-shaped sliders arranged at equal intervals, and the worktable 1 has a groove 11 for accommodating the sliding of the T-shaped sliders. The direction of the groove 11 is consistent with the axis of the adjusting push rod 5. When the adjusting push rod 5 moves along the length direction, it drives the second slide block 91 at the bottom of the connecting arm 6 to slide along the second T-shaped track 81. When the movable end of the adjusting push rod 5 drives the 6 to extend or retract, the T-shaped sliders at the bottom of the second T-shaped track 81 slide synchronously along the groove 11. That is, the connecting arm 6 is guided in both the length and width directions to avoid motion interference.

[0034] Specifically, the outer wall of the pressing push rod 4 has a flange edge 41, and the front end of the connecting arm 6 is fixedly connected to several fixing bolts 61 arranged in a ring array and passing through the mounting holes of the flange edge 41. Each fixing bolt 61 is screwed with a locking nut 62 for locking the flange edge 41 at the front end of the connecting arm 6. The locking nut 62 is screwed to the end of the fixing bolt 61. After tightening, it presses the flange edge 41, thereby fixing the pressing push rod 4 to the connecting arm 6, which is convenient for disassembly and maintenance.

[0035] Furthermore, each end of the pressure head 3 has a rubber pad 31; the rubber pad 31 is bonded to or nested in the metal end of the pressure head 3 and directly contacts the top corner surface of the cylinder body 2. The rubber buffer prevents the metal pressure head 3 from scratching the precision-machined surface of the cylinder body 2.

[0036] It should be noted that the adjusting push rod 5, motor 72, and clamping push rod 4 are all connected to the remote control system; through the wireless remote control or PLC control system, the entire process of clamping and releasing is automated, improving efficiency while ensuring the safety of the staff.

[0037] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and concept of this application, should be included within the scope of protection of this application.

Claims

1. A push rod mechanism for fast clamping of a cylinder block, comprising a work table (1) for placing of the cylinder block (2), characterized in that: A pressure head (3) is provided at each of the four corners of the top of the cylinder body (2) on the workbench (1). A pressing push rod (4) with its movable end fixedly connected to the pressure head (3) is provided above each pressure head (3). An adjusting push rod (5) for moving the pressing push rod (4) along the width direction of the cylinder body (2) is provided at each of the two sides of the workbench (1). The movable end of the adjusting push rod (5) is fixedly connected to the pressing push rod (4) through a connecting arm (6). The adjusting push rod (5) is slidably connected to the worktable (1) along the length direction of the cylinder body (2). A lead screw (71) screwed to the adjusting push rod (5) is rotatably installed on the worktable (1). A motor (72) whose output shaft is connected to the lead screw (71) is fixedly installed on the worktable (1).

2. The push rod mechanism for a quick- clamp air cylinder body according to claim 1, characterized in that: The bottom of the adjusting push rod (5) is symmetrically fixed with a first slide block (9), and two first T-shaped rails (8) that are slidably connected to the first slide block (9) are fixedly installed on the worktable (1).

3. The push rod mechanism for a quick- clamp air cylinder body according to claim 2, characterized in that: The bottom of the connecting arm (6) is fixedly installed with a second slide block (91). The worktable (1) is slidably provided with a second T-shaped track (81) that is slidably connected to the second slide block (91) and parallel to the first T-shaped track (8). The bottom of the second T-shaped track (81) has at least two T-shaped sliders that are equidistantly arranged. The worktable (1) has a groove (11) for accommodating the sliding of the T-shaped sliders. The direction of the groove (11) is consistent with the axial direction of the adjusting push rod (5).

4. The push rod mechanism for a quick- clamp air cylinder body of claim 3, wherein: The outer wall of the pressing push rod (4) has a flange edge (41), and the front end of the connecting arm (6) is fixedly connected to a plurality of fixing bolts (61) arranged in a ring array and passing through the mounting holes of the flange edge (41). Each fixing bolt (61) is screwed with a lock nut (62) for locking the flange edge (41) at the front end of the connecting arm (6).

5. The push rod mechanism for quickly clamping the cylinder body according to claim 4, characterized in that: Each pressure head (3) has a rubber pad (31) at its end.

6. The push rod mechanism for quickly clamping the cylinder body according to claim 5, characterized in that: The adjusting push rod (5), the motor (72), and the pressing push rod (4) are all connected to the remote control system.