Fixture for air cylinder part drilling

Abstract

The utility model belongs to the technical field of clamps, and particularly relates to an air cylinder part drilling clamp which comprises a base. A boss is arranged on the lower surface of the drill plate, the outline of the boss is the same as the outer outline of the air cylinder part, and an assembly channel and a plurality of through holes are formed in the drill plate; and the pressing device is used for pressing the drill plate on the air cylinder part to be machined. A to-be-machined air cylinder part is placed on the station of the base, then the boss of the drill plate is aligned with the outer contour of the air cylinder part, the position, corresponding to the through hole in the drill plate, of the air cylinder part is the position of a to-be-machined hole, and then the drill plate is pressed on the air cylinder part through the pressing device. The air cylinder part is fixed between the drill plate and the base, the drilling tool penetrates through the through hole to drill a hole site in the air cylinder part, the clamp is specially used for clamping the air cylinder part, the structure of the clamp can be matched with the structure of the air cylinder part, and the machining precision of the hole site in the air cylinder part is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of clamps, and in particular relates to a clamp for drilling holes in cylinder parts. Background Art

[0002] The holes on the cylinder parts have position requirements relative to the workpiece rotation center, and the overall alignment with the unprocessed blank surface of the workpiece shape is required. The distance from the blank surface is required to be uniform and there is no obvious deviation visually. At present, there is no fixture specifically used to fix cylinder parts. Cylinder parts are usually processed directly after being fixed with traditional fixtures, which results in low processing accuracy of the holes on the cylinder parts. Utility Model Content

[0003] An embodiment of the present application provides a fixture for drilling holes in cylinder parts, the structure of which can be consistent with the structure of the cylinder parts, thereby improving the processing accuracy of the holes on the cylinder parts.

[0004] A fixture for drilling holes in cylinder parts, comprising:

[0005] A base, wherein the base is provided with at least one station for placing cylinder parts;

[0006] A drilling template, wherein a boss is provided on the lower surface of the drilling template, and the contour of the boss is the same as the outer contour of the cylinder part. The drilling template is provided with an assembly channel and a plurality of through holes, and the assembly channel is used to be sleeved on the cylinder part, and each of the through holes is annularly spaced around the assembly channel, and the through holes penetrate the drilling template and the boss;

[0007] A clamping device is used to clamp the drilling template onto the cylinder part to be processed.

[0008] According to other embodiments of the clamp for drilling holes in cylinder parts of the utility model, a positioning pin is provided on the station where the base is used to place the parts, and the positioning pin is used to be inserted into the positioning hole at the bottom of the cylinder part.

[0009] According to the clamp for drilling holes in cylinder parts in other embodiments of the utility model, two workstations are provided on the base, and the two workstations are arranged at an interval.

[0010] According to other embodiments of the clamp for drilling cylinder parts of the present utility model, the clamping device includes a pressing plate and a driving device, the pressing plate is connected to the power output end of the driving device, and the driving device is installed on the base.

[0011] According to other embodiments of the clamp for drilling holes in cylinder parts of the utility model, the middle part of the pressure plate is connected to the power output end of the driving device through a connecting rod, the pressure plate is located above the drilling template, and the driving device is located below the drilling template and installed on the base.

[0012] According to other embodiments of the clamp for drilling holes in cylinder parts of the utility model, an avoidance interval is provided on the pressing plate, and the avoidance interval is used to avoid the assembly channel and each through hole on the drilling template.

[0013] According to other embodiments of the clamp for drilling cylinder parts of the utility model, gripping devices are provided on both sides of the drilling template.

[0014] According to other embodiments of the clamp for drilling cylinder parts of the utility model, a drill sleeve is installed in the through hole, and the drill sleeve includes a cylinder body and a cylinder cap, the cylinder cap is installed on the top of the cylinder body, and the cylinder cap is provided with a channel aligned with the cylinder body.

[0015] According to other embodiments of the clamp for drilling holes in cylinder parts of the utility model, a clamping step is provided on the cylinder cover, a clamping bolt is provided on the drilling template, and the nut of the clamping bolt is used to be clamped on the clamping step.

[0016] According to other embodiments of the clamp for drilling holes in cylinder parts of the present utility model, the base includes a support plate and pillars, and the pillars are installed at the four corners of the support plate.

[0017] The clamp for drilling holes in cylinder parts of the utility model embodiment has at least the following beneficial effects: during use, the cylinder part to be processed is placed on the work station of the base, and then the boss of the drilling template is aligned with the outer contour of the cylinder part. At this time, the position on the cylinder part corresponding to the through hole on the drilling template is the position of the hole to be processed, and then the drilling template is pressed on the cylinder part by a clamping device, so that the cylinder part is fixed between the drilling template and the base, and the drill tool passes through the through hole to drill a hole on the cylinder part. This clamp is specially used to clamp cylinder parts, and its structure can be consistent with the structure of the cylinder parts, thereby improving the hole processing accuracy on the cylinder parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of a fixture for drilling holes in cylinder parts provided in one embodiment of the present application;

[0019] Figure 2 yes Figure 1 A partial enlarged view of point B in the middle;

[0020] Figure 3 yes Figure 1 A schematic diagram of the structure of the drill sleeve in the illustrated embodiment;

[0021] Figure 4 Yes Yes Figure 1 a bottom view of the illustrated embodiment;

[0022] Figure 5 yes Figure 4 Middle AA section view;

[0023] Figure 6 yes Figure 1 A schematic diagram of the structure of the drilling template in the illustrated embodiment. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0025] The following is a further detailed description of the implementation of the present application in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present application but cannot be used to limit the scope of the present application.

[0026] In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0027] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0028] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0029] The holes on the cylinder parts have position requirements relative to the rotation center of the workpiece, and the overall alignment with the unprocessed blank surface of the workpiece shape is required. The distance from the blank surface is required to be uniform and there is no obvious deviation visually. At present, there is no fixture specifically used to fix the holes on the cylinder parts for processing. The processing of cylinder parts is usually carried out directly after being fixed with traditional fixtures, which results in low processing accuracy of the holes on the cylinder parts.

[0030] See also Figures 1 to 6 The present application provides a fixture for drilling holes in cylinder parts, including a base 1, a drilling template 2 and a clamping device. The base 1 is provided with at least one workstation for placing a cylinder part 3. The lower surface of the drilling template 2 is provided with a boss 20. The contour of the boss 20 is the same as the outer contour of the cylinder part 3. The drilling template 2 is provided with an assembly channel 21 and a plurality of through holes 22. The assembly channel 21 is used to be sleeved on the cylinder part 3. The through holes 22 are circumferentially spaced around the assembly channel 21. The through holes 22 pass through the drilling template 2 and the boss 20. The clamping device is used to press the drilling template 2 onto the cylinder part 3 to be processed.

[0031] During use, the cylinder part 3 to be processed is placed on the work station of the base 1, and then the boss 20 of the drilling template 2 is aligned with the outer contour of the cylinder part 3. At this time, the position on the cylinder part 3 corresponding to the through hole 22 on the drilling template 2 is the position of the hole to be processed, and then the drilling template 2 is pressed on the cylinder part 3 by the clamping device, so that the cylinder part 3 is fixed between the drilling template 2 and the base 1, and the drill tool passes through the through hole 22 to drill a hole on the cylinder part 3. This fixture is specially used to clamp the cylinder part 3, and its structure can be consistent with the structure of the cylinder part 3, thereby improving the hole processing accuracy on the cylinder part 3.

[0032] In some embodiments, the base 1 includes a support plate 10 and pillars 11 , and the pillars 11 are installed at four corners of the support plate 10 .

[0033] Specifically, there are four pillars 11, and the support plate 10 is a rectangular plate structure. The four pillars 11 are respectively vertically fixed at the four corners of the support plate 10. A station for placing the cylinder part 3 is set on the support plate 10.

[0034] In order to ensure that the cylinder part 3 remains stable after being placed on the workstation, in some embodiments, a positioning pin 100 is provided on the workstation where the base 1 is used to place the part, and the positioning pin 100 is used to be inserted into the positioning hole at the bottom of the cylinder part 3.

[0035] Specifically, four positioning pins 100 are installed at the position where the workstation is set on the support plate 10. The four positioning pins 100 correspond to the four positioning holes at the bottom of the cylinder part 3 respectively. The cylinder part 3 is placed on the workstation and the positioning pins 100 are inserted into the positioning holes to achieve positioning of the cylinder part 3.

[0036] In some embodiments, two workstations are provided on the base 1, and the two workstations are arranged at an interval, so that two cylinder parts 3 can be processed at one time, which effectively improves the processing efficiency.

[0037] In some embodiments, the pressing device includes a pressing plate 40 and a driving device 41 , the pressing plate 40 is connected to a power output end of the driving device 41 , and the driving device 41 is installed on the base 1 .

[0038] Specifically, the driving device 41 is installed on the bottom plate, and the driving device 41 drives the pressing plate 40 to move up and down so as to press the drilling template 2 onto the cylinder part 3 .

[0039] In some other embodiments, the middle part of the pressure plate 40 is connected to the power output end of the driving device 41 through a connecting rod (not shown in the figure), the pressure plate 40 is located above the drilling template 2, and the driving device 41 is located below the drilling template 2 and installed on the base 1.

[0040] Specifically, the driving device 41 is installed on the lower surface of the support plate 10. The support plate 10 is provided with a small hole 102. The connecting rod is passed through the small hole 102. The lower end of the small hole 102 is connected to the power output end of the driving device 41, and the upper end of the small hole 102 is connected to the pressing plate 40. The driving device 41 drives the pressing plate 40 to move downward so as to press the drilling template 2 onto the cylinder part 3.

[0041] In the embodiment in which two workstations are provided on the support plate 10 , the small hole 102 on the support plate 10 is located between the two workstations, and the driving device 41 pulls the pressing plate 40 so that the pressing plate 40 is pressed tightly against the two drilling templates 2 .

[0042] In order to prevent the pressing plate 40 from interfering with the through holes 22 on the drilling template 2 , in some embodiments, an avoidance interval 400 is provided on the pressing plate 40 , and the avoidance interval 400 is used to avoid the assembly channel 21 and each through hole 22 on the drilling template 2 .

[0043] In the embodiment shown in the present application, the pressing plate 40 is an H-shaped structure, which is used to press tightly against the edge of the drilling template 2 .

[0044] In order to facilitate the workers to grasp the drilling template 2, in some embodiments, grasping devices 24 are provided on both sides of the drilling template 2. Specifically, the grasping devices 24 are bumps arranged on both sides of the drilling template 2.

[0045] Since the drill bit often needs to enter and exit the through hole 22, it will cause certain wear on the through hole 22. In order to reduce the wear of the drill bit on the through hole 22, in some embodiments, a drill sleeve 5 is installed in the through hole 22. The drill sleeve 5 includes a barrel 51 and a barrel cap 50. The barrel cap 50 is provided with a channel 501 aligned with the barrel 51.

[0046] Specifically, after the drill sleeve 5 is installed in the through hole 22, the cylinder body 51 is located inside the through hole 22, and the cylinder cap 50 is located on the upper surface of the drilling template 2. During the drilling process, the drill bit directly passes through the drill sleeve 5 and processes a hole on the cylinder part 3. When the drill sleeve 5 is worn, it can be replaced with a new one.

[0047] In order to ensure that the drill sleeve 5 is firmly installed in the channel, in some embodiments, a clamping step 500 is provided on the barrel cap 50 , and a clamping bolt is provided on the drill template 2 , and the nut of the clamping bolt is used to be clamped on the clamping step 500 .

[0048] Specifically, a notch is opened on one side of the barrel 50, and the platform of the notch is the clamping step 500. There is a threaded channel 23 next to the through hole 22. After the drill sleeve 5 is assembled into the through hole 22, the bolt is installed in the threaded channel 23 so that the nut of the bolt is pressed on the clamping step 500, so that the drill sleeve 5 is clamped on the drilling template 2 to ensure that the drill sleeve 5 can remain stable during the process of the drill bit passing through the drill sleeve 5 to drill a hole.

[0049] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

Claims

1. A fixture for drilling holes in cylinder parts, characterized in that: include: A base, wherein the base is provided with at least one station for placing cylinder parts; A drilling template, wherein a boss is provided on the lower surface of the drilling template, and the contour of the boss is the same as the outer contour of the cylinder part. The drilling template is provided with an assembly channel and a plurality of through holes, and the assembly channel is used to be sleeved on the cylinder part, and each of the through holes is arranged around the assembly channel at intervals, and the through holes penetrate the drilling template and the boss; A clamping device is used to clamp the drilling template onto the cylinder part to be processed.

2. The fixture for drilling cylinder parts according to claim 1, characterized in that: The base is provided with a positioning pin on a station for placing parts, and the positioning pin is used to be inserted into a positioning hole at the bottom of the cylinder part.

3. The fixture for drilling holes in cylinder parts according to claim 1, characterized in that: Two workstations are arranged on the base, and the two workstations are arranged at an interval.

4. The fixture for drilling holes in cylinder parts according to claim 3, characterized in that: The clamping device comprises a pressing plate and a driving device, wherein the pressing plate is connected to a power output end of the driving device, and the driving device is mounted on the base.

5. The fixture for drilling holes in cylinder parts according to claim 4, characterized in that: The middle part of the pressing plate is connected to the power output end of the driving device through a connecting rod. The pressing plate is located above the drilling template, and the driving device is located below the drilling template and installed on the base.

6. The fixture for drilling holes in cylinder parts according to claim 4, characterized in that: The pressing plate is provided with an avoidance interval, and the avoidance interval is used to avoid the assembly channel and each through hole on the drilling template.

7. The fixture for drilling holes in cylinder parts according to claim 1, characterized in that: Gripping devices are provided on both sides of the drilling template.

8. The fixture for drilling holes in cylinder parts according to claim 1, characterized in that: A drill sleeve is installed in the through hole. The drill sleeve comprises a cylinder and a cylinder cap. The cylinder cap is installed on the top of the cylinder. The cylinder cap is provided with a channel aligned with the cylinder.

9. The fixture for drilling holes in cylinder parts according to claim 8, characterized in that: A clamping step is provided on the cylinder cover, and a clamping bolt is provided on the drilling template. The nut of the clamping bolt is used to be clamped on the clamping step.

10. The fixture for drilling holes in cylinder parts according to claim 1, characterized in that: The base comprises a support plate and pillars, and the pillars are installed at four corners of the support plate.

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