Preliminary assembling tool for air cylinder

Abstract

The utility model discloses an air cylinder preliminary assembling tool which comprises a base, a cylinder barrel positioning jig is arranged on the base, a front end cover positioning jig is arranged at one end of the cylinder barrel positioning jig, and a rear end cover positioning jig is arranged at the other end of the cylinder barrel positioning jig. The rear end cover positioning jig is provided with a linear reciprocating motion mechanism which controls the rear end cover positioning jig to move close to or away from the front end cover positioning jig. A front end cover positioning groove embedded in the radial direction is formed in the front end cover positioning jig, a rear end cover positioning groove embedded in the radial direction is formed in the rear end cover positioning jig, a front baffle is arranged at the end, back to the rear end cover positioning groove, of the front end cover positioning groove, and a rear baffle is arranged at the end, back to the front end cover positioning groove, of the rear end cover positioning groove. The front baffle is provided with a receding hole for the piston rod to stretch out, and the receding hole is provided with an opening for the piston rod to be embedded in the radial direction. The assembling tool has the advantages of being convenient to clamp and rapid to assemble, and is complete in overall function and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, and more specifically, to a preliminary assembly tooling for a cylinder. Background Art

[0002] like Figure 5 , which is a schematic diagram of the structure of an existing cylinder, includes a cylinder barrel 100, a cylinder barrel front end cover 101 arranged at one end of the cylinder barrel 100, a cylinder barrel rear end cover 102 arranged at the other end of the cylinder barrel 100, and a piston rod 103 extending out of the cylinder barrel front end cover 101.

[0003] During the assembly of the cylinder, the piston assembly must be placed in the cylinder 100 first, and then the cylinder front cover 101 and the cylinder rear cover 102 are installed. Since the cylinder front cover 101 and the cylinder rear cover 102 are pressed in, a large external force is applied, and it cannot be completed by manual pressing alone, and a special tooling is required. Accordingly, the utility model proposes a preliminary assembly tooling for the cylinder. Utility Model Content

[0004] The utility model aims to overcome the deficiencies in the prior art and provide a preliminary assembly tool for a cylinder, which has the characteristics of convenient clamping and quick assembly.

[0005] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model relates to a preliminary assembly tool for a cylinder, comprising a base, on which a cylinder positioning fixture is provided, one end of the cylinder positioning fixture is provided with a front end cover positioning fixture, and the other end is provided with a rear end cover positioning fixture, and the rear end cover positioning fixture is provided with a linear reciprocating motion mechanism for controlling the rear end cover positioning fixture to move toward or away from the front end cover positioning fixture;

[0006] The front end cover positioning fixture is provided with a front end cover positioning groove embedded in the radial direction, the rear end cover positioning fixture is provided with a rear end cover positioning groove embedded in the radial direction, a front baffle is provided at the end of the front end cover positioning groove facing away from the rear end cover positioning groove, and a rear baffle is provided at the end of the rear end cover positioning groove facing away from the front end cover positioning groove, and an avoidance hole for the piston rod to extend out is provided on the front baffle, and the avoidance hole has an opening for the piston rod to be embedded in the radial direction.

[0007] The utility model is further configured as follows: a linear guide rail extending horizontally forward and backward is provided on the base, a movable seat is slidably connected to the linear guide rail, a fixed seat provided on the base is provided at the front end of the movable seat, the front end cover positioning fixture is provided on the fixed seat, and the linear reciprocating motion mechanism is provided on the movable seat;

[0008] The fixed seat is provided with a first screw extending horizontally forward and backward, the movable seat is provided with a first screw through hole, the first screw is inserted into the first screw through hole, and the front and rear ends of the first screw through hole are both provided with a first nut threadedly connected to the first screw.

[0009] The utility model is further configured as follows: a height-adjusting seat arranged between a movable seat and a fixed seat is slidably connected to the linear guide rail, and the cylinder positioning fixture is arranged on the height-adjusting seat.

[0010] The utility model is further configured as follows: the height adjustment seat includes a second screw extending vertically up and down, a second screw through hole is opened on the cylinder positioning fixture, the second screw is inserted into the second screw through hole, and second nuts threadedly connected to the second screw are provided at both upper and lower ends of the second screw through hole.

[0011] The utility model is further configured as follows: the cylinder positioning fixture is provided with a V-shaped positioning groove with the notch facing upward.

[0012] The utility model is further configured as follows: it also includes a positioning block radially embedded in the positioning groove of the front end cover, one end of the positioning block has a gripping portion, the other end has a profiling groove, and the groove bottom of the profiling groove is provided with a positioning pin extending radially.

[0013] In summary, the utility model has the following beneficial effects:

[0014] 1. It can be clamped quickly, and the front and rear end covers can be pressed synchronously in one time;

[0015] 2. It can be adapted to various specifications of cylinders to complete the initial assembly, with strong adaptability;

[0016] 3. Used with positioning blocks, the front and rear end covers can be pressed into position accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a partial structural schematic diagram of the utility model;

[0019] Figure 3 It is a partial structural schematic diagram of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the positioning block of the utility model;

[0021] Figure 5 This is a structural diagram of an existing cylinder;

[0022] Figure 6 This utility model clamping Figure 5Schematic diagram of the structure of the cylinder. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0024] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0025] Example 1

[0026] See also Figure 1 and Figure 2 , Figure 5 and Figure 6 As shown, a preliminary assembly tool for a cylinder involved in this embodiment includes a base 1, on which a cylinder positioning fixture 2 is provided, one end of the cylinder positioning fixture 2 is provided with a front cover positioning fixture 3, and the other end is provided with a rear cover positioning fixture 4, and the rear cover positioning fixture 4 is provided with a linear reciprocating motion mechanism 5 for controlling the rear cover positioning fixture 4 to move toward or away from the front cover positioning fixture, and the linear reciprocating motion mechanism 5 is a push rod cylinder;

[0027] The front end cover positioning fixture 3 is provided with a front end cover positioning groove 6 embedded in the radial direction, the rear end cover positioning fixture 4 is provided with a rear end cover positioning groove 7 embedded in the radial direction, the front end cover positioning groove 6 is provided with a front baffle 8 at one end facing away from the rear end cover positioning groove, the rear end cover positioning groove 7 is provided with a rear baffle 9 at one end facing away from the front end cover positioning groove, the front baffle 8 is provided with an avoidance hole 10 for the piston rod to extend out, and the avoidance hole 10 has an opening 11 for the piston rod to be embedded in the radial direction.

[0028] In this embodiment, the piston assembly is first manually installed into the cylinder 100, and then the cylinder front end cover 101 is pre-installed at one end of the cylinder 100, and the piston rod 103 extends out of the cylinder front end cover 101, and the cylinder rear end cover 102 is pre-installed at the other end of the cylinder 100, and then the pre-installed cylinder is clamped to the preliminary assembly tool. The cylinder 100 is radially positioned by the cylinder positioning fixture 2, the cylinder front end cover 101 is radially embedded in the front end cover positioning groove 6, and the cylinder rear end cover 102 is radially embedded in the rear end cover positioning groove 7, and finally the linear reciprocating motion mechanism 5 controls the rear end cover positioning fixture 4 to move in the direction close to the front end cover positioning fixture 3, until the cylinder front end cover 101 is pressed on one end of the cylinder 100, and the cylinder rear end cover 102 is pressed on the other end of the cylinder 100.

[0029] Example 2

[0030] See also Figures 1 to 3 , Figure 5 and Figure 6 As shown, a preliminary assembly tool for a cylinder involved in this embodiment is further configured on the basis of Embodiment 1, wherein the base 1 is provided with a linear guide rail 12 extending horizontally forward and backward, a movable seat 13 is slidably connected to the linear guide rail 12, a fixed seat 14 arranged on the base 1 is provided at the front end of the movable seat 13, the front end cover positioning fixture 3 is arranged on the fixed seat 14, and the linear reciprocating motion mechanism 5 is arranged on the movable seat 13;

[0031] The fixed seat 14 is provided with a first screw 15 extending horizontally forward and backward, and the movable seat 13 is provided with a first screw through hole 16, the first screw 15 is inserted into the first screw through hole 16, and the front and rear ends of the first screw through hole 16 are both provided with a first nut 17 threadedly connected to the first screw 15.

[0032] Furthermore, a height-adjusting seat 18 disposed between the movable seat 13 and the fixed seat 14 is slidably connected to the linear guide rail 12 , and the cylinder positioning fixture 2 is disposed on the height-adjusting seat 18 .

[0033] Furthermore, the height adjustment seat 18 includes a second screw 19 extending vertically up and down, and a second screw hole (unmarked) is opened on the cylinder positioning fixture 2, and the second screw 19 is inserted into the second screw hole. The upper and lower ends of the second screw hole are provided with second nuts 20 threadedly connected to the second screw 19.

[0034] Furthermore, the cylinder positioning fixture 2 is provided with a V-shaped positioning groove 21 with the notch facing upward.

[0035] In this embodiment, when the first nut 17 is loosened, the distance between the movable seat 13 and the fixed seat 14 can be changed; when the second nut 20 is loosened, the positioning height of the cylinder positioning fixture 2 can be changed. The combination of the two can enable the tooling to adapt to cylinders of multiple specifications to complete preliminary assembly and use, thereby improving compatibility.

[0036] Example 3

[0037] See also Figures 1 to 6 As shown, the cylinder preliminary assembly tool involved in this embodiment is further configured to include a positioning block 22 radially embedded in the positioning groove 6 of the front end cover, one end of the positioning block 22 has a gripping portion 23, and the other end has a contour groove 24, and the bottom of the contour groove 24 is provided with a positioning pin 25 extending radially.

[0038] In this embodiment, by adding a positioning block 22, when the positioning block 22 is embedded in the positioning groove 6 of the front end cover, the circumferential position of the cylinder front end cover 101 can be adjusted to ensure that the air hole on it is inserted by the positioning pin 25, so that the front and rear air holes on the cylinder that has completed the preliminary assembly can be aligned.

[0039] The cylinder preliminary assembly tool involved in the utility model can realize quick clamping and can realize synchronous press-fitting of front and rear end covers in a single time; it can also be adapted to cylinders of various specifications to complete preliminary assembly, and has strong adaptability; and when used in conjunction with the positioning block, the front and rear end covers can be pressed into position accurately, the overall function is complete, and it is highly practical.

[0040] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0041] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. Cylinder preliminary assembly tooling, including a base, characterized by: The base is provided with a cylinder positioning jig, one end of the cylinder positioning jig is provided with a front end cover positioning jig, and the other end is provided with a rear end cover positioning jig, and the rear end cover positioning jig is provided with a linear reciprocating motion mechanism for controlling it to move towards or away from the front end cover positioning jig; The front end cover positioning fixture is provided with a front end cover positioning groove embedded in the radial direction, the rear end cover positioning fixture is provided with a rear end cover positioning groove embedded in the radial direction, a front baffle is provided at the end of the front end cover positioning groove facing away from the rear end cover positioning groove, and a rear baffle is provided at the end of the rear end cover positioning groove facing away from the front end cover positioning groove, and an avoidance hole for the piston rod to extend out is provided on the front baffle, and the avoidance hole has an opening for the piston rod to be embedded in the radial direction.

2. The cylinder preliminary assembly tool according to claim 1, characterized in that: The base is provided with a linear guide rail extending horizontally forward and backward, a movable seat is slidably connected to the linear guide rail, a fixed seat arranged on the base is provided at the front end of the movable seat, the front end cover positioning fixture is arranged on the fixed seat, and the linear reciprocating motion mechanism is arranged on the movable seat; The fixed seat is provided with a first screw extending horizontally forward and backward, the movable seat is provided with a first screw through hole, the first screw is inserted into the first screw through hole, and the front and rear ends of the first screw through hole are both provided with a first nut threadedly connected to the first screw.

3. The cylinder preliminary assembly tool according to claim 2, characterized in that: A height-adjusting seat arranged between a movable seat and a fixed seat is slidably connected to the linear guide rail, and the cylinder positioning fixture is arranged on the height-adjusting seat.

4. The cylinder preliminary assembly tool according to claim 3, characterized in that: The height adjustment seat includes a second screw extending vertically up and down, a second screw through hole is opened on the cylinder positioning fixture, the second screw is inserted into the second screw through hole, and second nuts threadedly connected to the second screw are provided at both upper and lower ends of the second screw through hole.

5. The cylinder preliminary assembly tool according to claim 4, characterized in that: The cylinder positioning fixture is provided with a V-shaped positioning groove with the notch facing upward.

6. The cylinder preliminary assembly tool according to any one of claims 1 to 5, characterized in that: It also includes a positioning block which is radially embedded in the positioning groove of the front end cover. One end of the positioning block has a gripping portion and the other end has a profiling groove. The groove bottom of the profiling groove is provided with a positioning pin extending in the radial direction.

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