A milling tool for the top and bottom connecting holes of an intake pipe

Abstract

The utility model provides a milling tool for the connection holes at the top and bottom of an intake pipe, comprising: heightening columns are passed through the four sides of the bottom of a working plate; a pair of reference seats are arranged at intervals on one side of the top of the working plate through bolt connection; a side A positioning module is arranged on a pair of mutually close sides through bolt connection; a center shell stop support module is arranged in the center of the top of the working plate through bolt connection; a T-shaped make way slot is opened in the center of the top of the working plate away from the reference seat; the top of the side B support module is arranged on the top of the working plate at the left and right sides of the T-shaped make way slot through bolt connection, and the bottom of the side B support module is arranged in the T-shaped make way slot. A milling tool for the connection holes at the top and bottom of an intake pipe can respectively assist in the milling processing of the connection holes at the top and bottom of the intake pipe, has high practicality, and provides support and positioning for the two sides and the center of the intake pipe AB to be processed, and is suitable for mass production by CNC milling machines.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts processing, in particular to the technical field of tooling for fine hole processing of the top and bottom of an auxiliary air intake pipe, in particular to a tooling for milling connecting holes of the top and bottom of an air intake pipe. Background Art

[0002] There is an existing intake pipe that is L-shaped. It is necessary to use a CNC milling machine to process the connecting holes on the top and bottom of the intake pipe. Because there is a height difference between the left and right sides of the bottom of the intake pipe, it cannot be placed stably on the processing table of the CNC milling machine. It needs to be clamped by a clamp. However, using traditional clamps such as bench vises, it is impossible to control the clamping force and easily damage the outer wall of the intake pipe. In addition, there are few limits on the intake pipe, and it is impossible to ensure that the position and placement angle of the intake pipe are the same each time it is clamped. It cannot be mass-produced by CNC machine tools, and it is necessary to design a clamping tool for the intake pipe. Summary of the invention

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a milling tool for the top and bottom connecting holes of the intake pipe to solve the difficulties of the prior art.

[0004] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides a milling tool for the top and bottom connecting holes of an intake pipe, comprising:

[0005] A working plate 1, wherein heightening columns 11 are provided around the bottom of the working plate 1;

[0006] A reference seat 12, wherein a pair of the reference seats 12 are provided, and the pair of the reference seats 12 are connected by bolts and spaced apart at one side of the top end of the working plate 1;

[0007] A side positioning module 2, the A side positioning module 2 is arranged on one side of a pair of sides close to each other through bolt connection;

[0008] A middle shell stop support module 3, wherein the middle shell stop support module 3 is arranged in the middle of the top of the working plate 1 by bolt connection;

[0009] A T-shaped clearance groove 13, wherein the T-shaped clearance groove 13 is provided at the top of the working plate 1 and is away from the center of the reference seat 12;

[0010] The B-side support module 4, the top of which is connected by bolts to the top of the working plate 1 and is located on the left and right sides of the T-shaped clearance groove 13, the bottom of which is set in the T-shaped clearance groove 13, and the bottom of which is in contact with the groove walls on the left and right sides of the T-shaped clearance groove 13.

[0011] According to the preferred embodiment, the A-side positioning module 2 includes:

[0012] A side pipe opening positioning block 21, the A side pipe opening positioning block 21 is arranged in the middle of a pair of reference seats 12 close to each other through bolt connection;

[0013] A cross-shaped clearance groove 22, which is provided in the middle of the side of the A-side pipe opening positioning block 21 away from the reference seat 12;

[0014] Threaded mounting holes 23, which are arranged around the A-side pipe opening positioning block 21;

[0015] The locating pin 24 has its bottom threadedly inserted into the threaded mounting hole 23, and its top extends straight through the threaded mounting hole 23 away from the reference seat 12. The locating pin 24 is located at the top corner opposite to the A-side pipe opening locating block 21.

[0016] The No. 1 lever cylinder 25 is symmetrically arranged on the left and right sides of the A-side pipe opening positioning block 21, and the bottom of the No. 1 lever cylinder 25 is connected to the reference seat 12 by bolts.

[0017] According to the preferred solution, the B-side support module 4 includes:

[0018] A T-shaped mounting block 41, which is bolted and arranged on the top side of the working plate 1 away from the reference seat 12. A pair of T-shaped mounting blocks 41 are arranged, and the pair of T-shaped mounting blocks 41 are symmetrically arranged on the left and right sides of the cross-shaped clearance groove 22, and the top end surface of the T-shaped mounting block 41 is inclined;

[0019] A second lever cylinder 42, which is bolted and arranged on the top of the T-shaped mounting block 41;

[0020] The No. 1 cylinder seat 43 is symmetrically arranged on the left and right sides of the T-shaped make way slot 13. The bottom of the No. 1 cylinder seat 43 extends downward through the T-shaped make way slot 13 and is connected to the bottom of the working plate 1 through bolts. A No. 1 low-pressure support cylinder 44 is penetrated through the center of the top of the No. 1 cylinder seat 43 through threaded cooperation, and a No. 1 protective head 45 is sleeved on the top of the No. 1 low-pressure support cylinder 44.

[0021] According to the preferred embodiment, the center shell stop support module 3 includes:

[0022] An internal threaded sleeve 31, wherein a pair of the internal threaded sleeves 31 are provided, and the pair of the internal threaded sleeves 31 are connected by bolts and arranged at intervals in the middle of the top of the working plate 1, and the pair of the internal threaded sleeves 31 are located between the pair of the T-shaped mounting blocks 41 and the pair of the reference seats 12;

[0023] An adjusting screw 32, wherein the adjusting screw 32 is threadably mounted in the middle of the top of the internally threaded sleeve 31;

[0024] A pressure block 33, which is arranged just above the internal threaded sleeve 31, a waist hole 34 is opened in the middle of the pressure block 33, and the hole walls on the left and right sides of the waist hole 34 are in contact with the outer wall of the adjusting screw 32, and a rubber protective sleeve 35 is sleeved in the middle of the pressure block 33;

[0025] A circular groove 36 is provided at the top of the working plate 1 and is located directly below the rubber protective sleeve 35. A spring is provided at the bottom of the circular groove 36. A latch 37 is passed through the top of the circular groove 36. The bottom of the latch 37 contacts the spring. A second protective head 38 is sleeved on the top of the latch 37.

[0026] The No. 2 cylinder seat 39 is bolted and arranged at the bottom end of the working plate 1. The No. 2 cylinder seat 39 is located between a pair of the reference seats 12. A No. 2 low-oil pressure support cylinder 310 is threadedly inserted in the middle of the top of the No. 2 cylinder seat 39. The top of the No. 2 low-oil pressure support cylinder 310 extends upward through the working plate 1. A No. 3 protective top head 311 is sleeved on the top of the No. 2 low-oil pressure support cylinder 310.

[0027] The utility model adopts a working plate, a reference seat, an A-side positioning module, a middle shell stop support module and a B-side support module. A milling tool for the top and bottom connecting holes of the intake pipe can respectively assist in the milling processing of the connecting holes at the top and bottom of the intake pipe, which is highly practical and provides support and positioning for the two sides AB and the middle of the intake pipe to be processed, and is suitable for mass production by CNC milling machines.

[0028] The best embodiment of the present invention will be described in more detail below in conjunction with the accompanying drawings so that the features and advantages of the present invention can be easily understood. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 The display is a three-dimensional structural schematic diagram of the utility model;

[0030] Figure 2 Shown is a three-dimensional structural schematic diagram of another viewing angle of the utility model;

[0031] Figure 3 It shows a three-dimensional structural schematic diagram of the central housing stop support module and the B-side support module in the present invention;

[0032] Figure 4 Shown is an enlarged schematic diagram of the three-dimensional structure of the pressing block in the present utility model;

[0033] Figure 5The display is a schematic diagram of the three-dimensional structure of the utility model after the air intake pipe is installed;

[0034] Figure 6 The display is a schematic diagram of the three-dimensional structure of the intake pipe required for detection in the present utility model;

[0035] Description of symbols

[0036] 1. Working plate; 11. Heightening column; 12. Reference seat; 13. T-shaped clearance groove;

[0037] 2. A-side positioning module; 21. A-side pipe opening positioning block; 22. Cross-shaped clearance groove; 23. Threaded mounting hole; 24. Positioning pin; 25. No. 1 lever cylinder;

[0038] 3. Center housing stop support module; 31. Internal thread sleeve; 32. Adjusting screw; 33. Press block; 34. Waist hole; 35. Rubber protective sleeve; 36. Round groove; 37. Latch; 38. No. 2 protective top; 39. No. 2 oil cylinder seat; 310. No. 2 low oil pressure support cylinder; 311. No. 3 protective top;

[0039] 4. B-side support module; 41. T-type mounting block; 42. No. 2 lever cylinder; 43. No. 1 cylinder seat; 44. No. 1 low-pressure support cylinder; 45. No. 1 protective head; DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the technical solution of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described in conjunction with the drawings of the specific embodiments of the utility model. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] Compared with the embodiments shown in the drawings, feasible implementations within the scope of protection of the present invention may have fewer components, other components not shown in the drawings, different components, differently arranged components, or differently connected components, etc. In addition, two or more components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

[0042] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by persons with ordinary skills in the field to which the utility model belongs. The words "first", "second" and similar words used in the specification and claims of the utility model patent application do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "one" do not necessarily indicate quantity restrictions. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0043] The utility model proposes a milling tool for the top and bottom connecting holes of an intake pipe, which is used in the intake pipe processing technology. The structure of the working plate 1, the reference seat 12, the A-side positioning module 2, the center shell stop support module 3 and the B-side support module 4 is particularly suitable for assisting the fine hole milling processing of the top and bottom of the intake pipe.

[0044] In general, the milling tooling for the top and bottom connecting holes of the air intake pipe proposed in the utility model mainly includes: a working plate 1, a reference seat 12, an A-side positioning module 2, a central shell stop support module 3 and a B-side support module 4. Figure 1 , which shows the arrangement relationship of the working plate 1, the reference seat 12, the A-side positioning module 2, the middle shell stop support module 3 and the B-side support module 4.

[0045] When the milling tooling for the top and bottom connecting holes of the air intake pipe proposed by the utility model is used, the A-side end face of the air intake pipe to be processed is clamped on the A-side pipe opening positioning block 21 on the left side, and the No. 1 lever cylinder 25 is pressed and limited, and the center of the air intake pipe is placed on the No. 2 protective top head 38 and the No. 3 protective top head 311, and then the bottom of the B side of the air intake pipe is placed on the No. 1 protective top head 45, and the No. 2 lever cylinder 42 is driven to press and limit the B side of the air intake pipe, and then the adjusting screw 32 is tightened to make the bottom of the pressing block 33 fit with the shell in the center of the air intake pipe, so as to realize the air intake pipe. With the limit support in the center, you can start the programmed CNC milling machine to mill the required connecting holes on the top of the intake pipe. If you need to mill the connecting holes at the bottom of the intake pipe, you only need to remove the intake pipe, rotate it 180 degrees, and clamp the A-side end face of the intake pipe on the A-side pipe opening positioning block 21 on the right side, and re-limit the center and B side of the intake pipe. This tooling can assist the milling of the connecting holes at the top and bottom of the intake pipe respectively, which is highly practical, and provide support and positioning for the two sides and the center of the intake pipe AB that need to be processed, which is suitable for mass production by CNC milling machines.

[0046] The bottom of the working plate 1 is surrounded by heightening columns 11, which facilitates the displacement of the No. 1 lever cylinder 25 and the No. 2 lever cylinder 42 and arranges most of the oil pipes under the working plate 1, which is more beautiful and prevents the milling cutter from being blocked during processing.

[0047] The above-mentioned A-side positioning module 2 is arranged on a pair of sides close to each other through bolt connection, and the A-side positioning module 2 includes: an A-side pipe opening positioning block 21, a cross-shaped clearance groove 22, a threaded mounting hole 23, a positioning pin 24, and a No. 1 lever cylinder 25, wherein the A-side pipe opening positioning block 21 is arranged in the middle of a pair of reference seats 12 close to each other through bolt connection, and the cross-shaped clearance groove 22 is opened in the middle of the side of the A-side pipe opening positioning block 21 away from the reference seat 12. In order to prevent the A-side end face of the intake pipe from being scratched, the A-side pipe opening positioning block 21 has a high flatness and roughness accuracy, and the cross-shaped clearance groove 22 is at the connection between the A-side end face of the intake pipe with high precision and the A-side pipe opening positioning block 21 The pressure of air is introduced to prevent the two high-precision surfaces from being fitted together and generating negative pressure to form adhesion. The threaded mounting holes 23 are opened around the A-side pipe outlet positioning block 21. The bottom of the positioning pin 24 is inserted into the threaded mounting hole 23 through threaded cooperation. The top of the positioning pin 24 passes through the threaded mounting hole 23 and extends straight in the direction away from the reference seat 12. The positioning pin 24 is located at the opposite top angle of the A-side pipe outlet positioning block 21. The positioning pin 24 is used to position the A side of the intake pipe. The No. 1 lever cylinder 25 is symmetrically arranged on the left and right sides of the A-side pipe outlet positioning block 21. The bottom of the No. 1 lever cylinder 25 is connected to the reference seat 12 by bolts. The No. 1 lever cylinder 25 limits the A side of the intake pipe.

[0048] The T-shaped clearance groove 13 is opened in the middle of the top of the working plate 1 away from the reference seat 12. The top of the working plate 1 is located on the left and right sides of the T-shaped clearance groove 13 and is connected by bolts to form a B-side support module 4. The B-side support module 4 includes: a T-shaped mounting block 41, a No. 2 lever cylinder 42, a No. 1 cylinder seat 43, a No. 1 low-pressure support cylinder 44 and a No. 1 protective head 45, wherein the T-shaped mounting block 41 is connected by bolts and is arranged on one side of the top of the working plate 1 away from the reference seat 12. The T-shaped mounting block 41 is provided with a pair of T-shaped mounting blocks 41. 1 is symmetrically arranged on the left and right sides of the cross-shaped yielding groove 22, the top end surface of the T-shaped mounting block 41 is inclined, and a No. 2 lever cylinder 42 is arranged on the top of the T-shaped mounting block 41 through bolt connection, and a No. 1 cylinder seat 43 is symmetrically arranged on the left and right sides of the T-shaped yielding groove 13, and the bottom of the No. 1 cylinder seat 43 passes through the T-shaped yielding groove 13 and extends downward to be connected with the bottom of the working plate 1 through bolts, and a No. 1 low-pressure support cylinder 44 is penetrated by threaded fit in the middle of the top of the No. 1 cylinder seat 43, and a No. 1 protective head 45 is sleeved on the top of the No. 1 low-pressure support cylinder 44.

[0049] The above-mentioned center shell stop support module 3 is arranged in the center of the top of the working plate 1 by bolt connection, and the center shell stop support module 3 includes: an internal threaded sleeve 31, an adjusting screw 32, a pressure block 33, a circular groove 36, a No. 2 oil cylinder seat 39 and a No. 2 low oil pressure support cylinder 310, wherein the internal threaded sleeve 31 is provided with a pair, and a pair of internal threaded sleeves 31 are arranged in the center of the top of the working plate 1 by bolt connection at intervals, and a pair of internal threaded sleeves 31 are located between a pair of T-shaped mounting blocks 41 and a pair of reference seats 12, and the adjusting screw 32 is threadedly fitted in the center of the top of the internal threaded sleeve 31, and the pressure block 33 is arranged directly above the internal threaded sleeve 31, and a waist hole 34 is opened in the center of the pressure block 33, and the hole walls on the left and right sides of the waist hole 34 are in contact with the outer wall of the adjusting screw 32, and a rubber protective sleeve 35 is sleeved in the center of the pressure block 33 to increase the rebound protection and contact with the pressure block 33 A circular groove 36 is provided at the top of the working plate 1, just below the rubber protective sleeve 35. A spring is provided at the bottom of the circular groove 36 to increase the rebound protection and contact the surface of the bottom of the intake pipe housing that contacts the No. 2 protective top head 38. A latch 37 is passed through the top of the circular groove 36, and the bottom of the latch 37 contacts the spring. A No. 2 protective top head 38 is sleeved on the top of the latch 37 to support the bottom of the middle section of the intake pipe. A No. 2 cylinder seat 39 is provided at the bottom end of the working plate 1, between a pair of the reference seats 12, and a No. 2 low-pressure support cylinder 310 is passed through the center of the top of the No. 2 cylinder seat 39 by threaded cooperation. The top of the No. 2 low-pressure support cylinder 310 extends upward through the working plate 1, and a No. 3 protective top head 311 is sleeved on the top of the No. 2 low-pressure support cylinder 310 to support the bottom of the middle section of the intake pipe close to the A side.

[0050] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A milling tool for the top and bottom connecting holes of an intake pipe, characterized in that: include: A working plate (1), wherein heightening columns (11) are provided around the bottom of the working plate (1); A reference seat (12), wherein a pair of the reference seats (12) are provided, and the pair of reference seats (12) are spaced apart and arranged on one side of the top end of the working plate (1) by bolt connection; A side positioning module (2), the A side positioning module (2) is arranged on one side of a pair of sides close to each other through bolt connection; A center shell stop support module (3), wherein the center shell stop support module (3) is arranged in the center of the top end of the working plate (1) by bolt connection; A T-shaped clearance groove (13), wherein the T-shaped clearance groove (13) is arranged in the middle of the top end of the working plate (1) away from the reference seat (12); The B-side support module (4) is connected with the top of the B-side support module (4) by bolts and arranged on the top of the working plate (1) and located on the left and right sides of the T-shaped clearance groove (13); the bottom of the B-side support module (4) is arranged in the T-shaped clearance groove (13); the bottom of the B-side support module (4) is in contact with the groove walls on the left and right sides of the T-shaped clearance groove (13).

2. The milling tool for the top and bottom connecting holes of the air intake pipe according to claim 1, characterized in that: The A-side positioning module (2) comprises: A side pipe opening positioning block (21), the A side pipe opening positioning block (21) is arranged in the middle of a pair of reference seats (12) close to each other on one side by bolt connection; A cross-shaped clearance groove (22), wherein the cross-shaped clearance groove (22) is arranged in the middle of the side of the A-side pipe opening positioning block (21) away from the reference seat (12); A threaded mounting hole (23), wherein the threaded mounting hole (23) is formed around the A-side pipe opening positioning block (21); A positioning pin (24), the bottom of which is threadedly inserted into the threaded mounting hole (23), the top of which passes through the threaded mounting hole (23) and extends straightly in a direction away from the reference seat (12), and the positioning pin (24) is located at a vertex angle opposite to the A-side pipe opening positioning block (21). A No. 1 lever cylinder (25), the No. 1 lever cylinder (25) is symmetrically arranged on the left and right sides of the A-side pipe opening positioning block (21), and the bottom of the No. 1 lever cylinder (25) is connected to the reference seat (12) through bolts.

3. The milling tool for the top and bottom connecting holes of the air intake pipe according to claim 2, characterized in that: The B-side support module (4) comprises: A T-shaped mounting block (41), the T-shaped mounting block (41) being arranged on a side of the top end of the working plate (1) away from the reference seat (12) by bolt connection, a pair of the T-shaped mounting blocks (41) being arranged symmetrically on the left and right sides of the cross-shaped clearance groove (22), and the top end surface of the T-shaped mounting block (41) being inclined; A No. 2 lever cylinder (42), wherein the No. 2 lever cylinder (42) is arranged on the top of the T-shaped mounting block (41) through bolt connection; A No. 1 oil cylinder seat (43), the No. 1 oil cylinder seat (43) is symmetrically arranged on the left and right sides of the T-shaped clearance groove (13), the bottom of the No. 1 oil cylinder seat (43) passes through the T-shaped clearance groove (13) and extends downward to be connected to the bottom of the working plate (1) through bolts, and a No. 1 low-pressure oil support cylinder (44) is penetrated through the center of the top of the No. 1 oil cylinder seat (43) through threaded cooperation, and a No. 1 protective head (45) is sleeved on the top of the No. 1 low-pressure oil support cylinder (44).

4. The milling tool for the top and bottom connecting holes of the air intake pipe according to claim 3, characterized in that: The central housing stop support module (3) comprises: An internal threaded sleeve (31), wherein a pair of the internal threaded sleeves (31) are provided, and the pair of the internal threaded sleeves (31) are arranged at intervals in the middle of the top end of the working plate (1) by bolt connection, and the pair of the internal threaded sleeves (31) are located between a pair of the T-shaped mounting blocks (41) and a pair of the reference seats (12); An adjusting screw (32), wherein the adjusting screw (32) is threadably mounted in the middle of the top of the internally threaded sleeve (31); A pressing block (33), the pressing block (33) is arranged just above the internal threaded sleeve (31), a waist hole (34) is opened in the middle of the pressing block (33), the hole walls on the left and right sides of the waist hole (34) are in contact with the outer wall of the adjusting screw (32), and a rubber protective sleeve (35) is sleeved in the middle of the pressing block (33); A circular groove (36), the circular groove (36) is opened at the top of the working plate (1) and is located directly below the rubber protective sleeve (35), a spring is arranged at the bottom of the circular groove (36), a latch (37) is passed through the top of the circular groove (36), the bottom of the latch (37) is in contact with the spring, and a No. 2 protective head (38) is sleeved on the top of the latch (37); A No. 2 oil cylinder seat (39), the No. 2 oil cylinder seat (39) is arranged at the bottom end of the working plate (1) by bolt connection, the No. 2 oil cylinder seat (39) is located between a pair of the reference seats (12), a No. 2 low-pressure oil support cylinder (310) is penetrated by a thread in the middle of the top of the No. 2 oil cylinder seat (39), the top of the No. 2 low-pressure oil support cylinder (310) passes through the working plate (1) and extends upward, and a No. 3 protective head (311) is sleeved on the top of the No. 2 low-pressure oil support cylinder (310).

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