Positioning tool for cross hole drilling parts
By designing a positioning tool for cross-hole drilling parts for the pick handle body, the problem of lack of tooling for cross-holes in the prior art is solved, and efficient processing of cross-holes on the pick handle body is achieved, and working efficiency is improved.
Patent Information
- Application Number
- CN201910449751.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-05-28
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2039-05-28
AI Technical Summary
The prior art lacks technical problems in the drilling tooling of the cross holes on the pick handle body, that is, the cross holes and the communication holes are installed at one time.
A positioning tool for cross-hole drilling parts is designed, including a support and a 360° rotating tool body, and the air pick handle body is placed on the tool body. The tooling body realizes precise positioning and processing of cross-holes by clamping specific parts, positioning sleeves, limit blocks, transverse hole drilling modules, tie rod bolts, hinge support and press plate components.
This tooling realizes the installation and processing of the cross holes on the pneumatic pick handle body at one time, reducing the auxiliary time and improving working efficiency.
Smart Images

Figure CN110142441B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a process equipment for mechanical processing, in particular to a positioning tool for a cross hole drilling part. Background Art
[0002] Rock drilling equipment is used to break soft ores, demolish solid or cement buildings, mine clay, etc., and rock drilling equipment is mainly pneumatic rock drilling tools. The handle involved in this design is one of the important parts of the handheld pneumatic tool pneumatic pick.
[0003] The handle of the pneumatic pick is a precision casting with an irregular shape and many processing steps. The transverse hole 98 is connected to the main hole 92, and is a channel for compressed air to be input from the air inlet hole 91 to the main hole through the connecting hole 97 and the transverse hole 98. The axis of the connecting hole 97 is parallel to the axis of the main hole 92. The axis of the transverse hole 98 is basically parallel to the air inlet hole 91 (with a small angle). The transverse hole 98 and the connecting hole 97 have the same diameter, and both need to be drilled, reamed, chamfered, tapped, etc. The processing of these two holes is carried out on a drilling machine, so it is necessary to design practical and efficient drilling tooling. Summary of the invention
[0004] The technical problem to be solved by the present invention is that the prior art mentioned in the background technology lacks a drilling tool for separately installing and processing the cross holes, i.e., the transverse holes and the connecting holes, on the handle of the pneumatic pick.
[0005] The technical solution adopted by the present invention is: a positioning tool for a cross hole drilling member, comprising a support and a tool body supported on the support for 360° rotation, and a pneumatic pick handle is placed on the tool body;
[0006] The support includes a bottom plate, a left support plate, a right support plate and two clamping plates. The left support plate and the right support plate are both vertically arranged on the bottom plate. A gap is arranged between the left support plate and the right support plate. Bearings for supporting the tooling body are arranged on the top of the left support plate and the right support plate. The outer rings of the two bearings are fixed by cover plates respectively. The two cover plates are respectively arranged on the top of the left support plate and the right support plate. The two clamping plates are both "L" shaped. The two clamping plates are respectively arranged at the upper ends of the two cover plates through the first pin. The two clamping plates are symmetrically arranged to clamp the tooling body.
[0007] The main body of the tooling includes a clamping body, a positioning sleeve, a limit block, a cross-hole drilling die set, a tie rod bolt, a hinge support and a pressure plate assembly.
[0008] The clamping body comprises a template, a left vertical plate and a right vertical plate. The left vertical plate and the right vertical plate are respectively fixed vertically at both ends of the template. Rotating shafts are vertically arranged on the outer sides of the left vertical plate and the right vertical plate. The two rotating shafts are coaxial and are respectively inserted into two bearings on the support. An "L"-shaped first positioning groove is arranged at the intersection of the left vertical plate and the template and at the intersection of the right vertical plate and the template. The setting positions of the two first positioning grooves correspond to the two card plates respectively. When the two first positioning grooves meet the two card plates respectively when the tooling body rotates, the two card plates are respectively inserted into the two first positioning grooves to restrict the tooling body from continuing to rotate. A second positioning slot is concavely arranged at the top edge of each of the two vertical plates, and the two second positioning slots are arranged at positions corresponding to the two card plates, which are arranged to be used for when the tooling body rotates, when the two second positioning slots meet the two card plates respectively, the two card plates are respectively inserted into the two second positioning slots to restrict the tooling body from continuing to rotate; a third positioning slot is concavely arranged at one side edge of the left vertical plate and the right vertical plate, and the two third positioning slots are arranged at positions corresponding to the two card plates, which are arranged to be used for when the two third positioning slots meet the two card plates respectively, the two card plates are respectively inserted into the two third positioning slots to restrict the tooling body from continuing to rotate;
[0009] A left hinge support platform is arranged on the inner side surface of the top end of the left vertical plate, and a tie rod bolt is arranged on the left hinge support platform;
[0010] A right hinge support platform is arranged on the inner side surface of the top end of the right vertical plate, the hinge support is arranged on the right hinge support platform, and the pressing plate assembly is hinged to the hinge support;
[0011] The positioning sleeve is arranged on the template, and the left vertical plate and the right vertical plate are arranged symmetrically about the positioning sleeve;
[0012] The limit block is arranged on the template and is arranged close to the positioning sleeve, the transverse hole drilling module is arranged on the template and is arranged close to the limit block, and the positioning sleeve, the limit block and the transverse hole drilling module are arranged along the transverse direction of the left vertical plate;
[0013] The limit block is in a "U" shape. The "U"-shaped limit block is vertically fixed on the template with the opening of the "U"-shaped limit block facing upwards. Adjustment screws are vertically arranged on the outer sides of the two ear plates of the "U"-shaped limit block, and nuts are arranged on the two adjustment screws; a first drill sleeve is vertically arranged between the two ear plates of the "U"-shaped limit block, and the first drill sleeve is simultaneously inserted into a first through hole vertically opened on the limit block and the template and corresponding to the connecting hole on the handle of the pneumatic pick; a first bushing is arranged between the first drill sleeve and the first through hole, the first bushing is interference fit with the first through hole, the first drill sleeve is clearance fit in the first drill sleeve, and the first drill sleeve is fixed to the template by a first axial clamping screw;
[0014] The horizontal hole drilling template comprises a horizontal hole drilling template, a second drill sleeve and a second bushing. The horizontal hole drilling template is tilted on the template. The bottom end of the horizontal hole drilling template is connected to the template. The top end of the horizontal hole drilling template is tilted toward the limit block. An acute angle is formed between the horizontal hole drilling template and the template. The angle value of the acute angle is consistent with the angle value between the horizontal hole on the pneumatic pick handle and the air inlet hole. A second through hole corresponding to the horizontal hole on the pneumatic pick handle is vertically opened on the horizontal hole drilling template. The second bushing is interference fit in the second through hole. The second drill sleeve is clearance fit in the second bushing and is fixed to the horizontal hole drilling template through a second axial clamping screw.
[0015] The pressure plate assembly includes a pressure plate and a swinging pressure block. One end of the pressure plate is hinged to a hinge support fixedly installed on the clamp body through a pin shaft, and the other end of the pressure plate is concave inward from the end edge, and a pull rod groove is arranged along the length direction of the pressure plate to cooperate with the pull rod bolt to fix the pneumatic pick handle. An arc-shaped groove is arranged inwardly along the width direction of the pressure plate on the pressure plate surface, and an arc-shaped protrusion in the arc-shaped groove is arranged on the back side of the swinging pressure block. The arc-shaped protrusion is placed in the arc-shaped groove and is hinged through a second pin, and the arc-shaped protrusion swings around the second pin along the arc-shaped groove; the front side of the swinging pressure block is provided with an arc-shaped concave surface matching the curvature of the top of the handle on the pneumatic pick handle.
[0016] Preferably, coaxial shaft holes are machined on the left vertical plate and the right vertical plate, two shafts are respectively arranged in the two shaft holes and are interference fit, and retaining rings are sleeved on the two shafts.
[0017] Preferably, the positioning sleeve is composed of a hollow positioning column and a positioning plate at the end, and the positioning sleeve is fixed to the template by the positioning plate through screws.
[0018] The beneficial effects of the present invention are:
[0019] The positioning tool for the cross hole drilling part is designed to have a reversible tool body, and two cross holes with the same diameter can be installed and processed separately at one time, thereby reducing auxiliary time and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is the first general diagram of the positioning tooling for the cross hole drilling member (the state of drilling the connecting hole on the handle of the pneumatic pick).
[0021] Figure 2 This is the second general diagram of the positioning fixture for the cross hole drilling member (the state of drilling a horizontal hole on the handle of the pneumatic pick).
[0022] Figure 3 It is the third general drawing of the positioning fixture of the cross hole drilling member (the state of removing the handle of the pneumatic pick after the drilling is completed).
[0023] Figure 4 yes Figure 3Take the process status diagram of the pneumatic pick handle that has completed drilling.
[0024] Figure 5 It is a schematic diagram of the assembly position of the clamping base, the positioning sleeve, the limit block and the cross hole drilling module.
[0025] Figure 6 yes Figure 5 A cross-sectional view of .
[0026] Figure 7 is a schematic diagram of the pressure plate assembly.
[0027] Figure 8 yes Figure 7 A cross-sectional view of .
[0028] Fig. 9 is a schematic diagram of the support.
[0029] Fig.10 It is a schematic diagram of the handle of a pneumatic pick (the partial cross-section in the figure shows the connecting hole and the transverse hole). DETAILED DESCRIPTION
[0030] The technical solution of the present invention is described in detail below, but the protection scope of the present invention is not limited to the embodiments.
[0031] To make the content of the present invention more clearly understood, the following Figure 1-Figure 10 The specific implementation manner is further described.
[0032] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0033] like Fig.10 As shown, the handle is one of the important parts of the handheld pneumatic tool pneumatic pick. The pneumatic pick handle 90 is a precision casting with an irregular shape and many processing steps. Fig. 9 In the middle, 91, air inlet hole, 92, main hole, 93, handle, 94, top surface of the tube, 95, finger hole, 96, side, 97, connecting hole, 98, transverse hole, 99, end surface of the main hole.
[0034] The transverse hole 98 is connected to the main hole 92, and is a channel for the compressed air to be input from the air inlet hole 91 to the main hole through the connecting hole 97 and the transverse hole. The axis of the connecting hole 97 is parallel to the axis of the main hole 92. The axis of the transverse hole 98 is basically parallel to the air inlet hole 91 (with a small angle). The transverse hole 98 and the connecting hole 97 have the same diameter, and both need to be drilled, reamed, chamfered, tapped, etc. The processing of these two holes is carried out on a drilling machine, and it is necessary to design a practical and efficient drilling tool.
[0035] like Figure 1-4 As shown, a positioning tool for a cross hole drilling member in this embodiment includes a support 200 and a tool body 100 rotatably supported on the support 200 by 360 degrees, and a pneumatic pick handle 90 is placed on the tool body 100.
[0036] like Fig. 9 As shown, the support 200 includes a base plate 210, a left support plate 211, a right support plate 221 and two clamping plates 214. The left support plate 211 and the right support plate 221 are both vertically arranged on the base plate 210. A gap is arranged between the left support plate 211 and the right support plate 221. Bearings 231 for supporting the tooling body 100 are arranged on the top of the left support plate 211 and the right support plate 221. The outer rings of the two bearings 231 are respectively fixed by cover plates 212. The two cover plates 212 are respectively arranged on the top of the left support plate 211 and the right support plate 221. The two clamping plates 214 are both "L"-shaped. The two clamping plates 214 are respectively arranged at the upper ends of the two cover plates 212 through the first pin 213. The two clamping plates 214 are symmetrically arranged to clamp the tooling body 100.
[0037] In this embodiment, the tooling body 100 is turned over by cooperating with the two bearings 231 of the support 200 through the rotating shafts 151 on both sides; in this embodiment, the tooling body 100 is turned over manually by the operator. The two clamping plates 214 on the support 200 are provided to limit the tooling body 100 from turning over. After turning over to the right position, the two clamping plates 214 are clamped into the tooling body 100 to fix the position of the tooling body 100.
[0038] The support 200 of this embodiment is designed in combination with a drilling machine. When drilling, the support 200 is fixed on the drilling machine.
[0039] like Figure 1-6 As shown, the tool body 100 includes a clamp body 110 , a positioning sleeve 120 , a limit block 130 , a cross hole drilling die set 140 , a pull rod bolt 160 , a hinge support 170 and a pressure plate assembly 190 .
[0040] The tooling body 100 is respectively inserted into two bearings 231 on the support 200 through two rotating shafts 151 and connected to the support 200; a left hinge support platform 117 is arranged on the inner side surface of the top end of the left vertical plate 112, and the pull rod bolt 160 is arranged on the left hinge support platform 117; a right hinge support platform 118 is arranged on the inner side surface of the top end of the right vertical plate 113, and the hinge support 170 is arranged on the right hinge support platform 118, and the pressure plate assembly 190 is hinged to the hinge support 170; the positioning sleeve 120 is arranged on the template 111, and the left vertical plate 112 and the right vertical plate 113 are symmetrically arranged about the positioning sleeve 120; the limit block 130 is arranged on the template 111 and close to the positioning sleeve 120, and the horizontal hole drilling module 140 is arranged on the template 111 and close to the limit block 130, and the positioning sleeve 120, the limit block 130 and the horizontal hole drilling module 140 are arranged along the horizontal direction of the left vertical plate 112.
[0041] like Figure 5 and 6As shown, the clamp body 110 includes a template 111, a left vertical plate 112 and a right vertical plate 113. The left vertical plate 112 and the right vertical plate 113 are respectively fixed vertically at both ends of the template 111. A rotating shaft 151 is vertically arranged on the outer side surfaces of the left vertical plate 112 and the right vertical plate 113. Coaxial rotating shaft holes are processed on the left vertical plate 112 and the right vertical plate 113. Two rotating shafts 151 are respectively arranged in the two rotating shaft holes and are interference fit. A retaining ring 152 is sleeved on the two rotating shafts 151. The purpose of setting the retaining ring 152 is to prevent the left vertical plate 112 and the right vertical plate 113 from flowing out of the gap with the left support plate 211 and the right support plate 221 respectively. The two rotating shafts 151 are coaxial, and the two rotating shafts 151 are respectively inserted into the two bearings 231 on the support 200; an "L"-shaped first positioning groove 114 is set at the intersection of the left vertical plate 112 and the template 111 and the intersection of the right vertical plate 113 and the template 111, and the setting positions of the two first positioning grooves 114 correspond to the two card plates 214 respectively, which are used to stop the two card plates 214 from continuing to rotate when the tooling body 100 rotates. The second positioning groove 116 is concave downward at the top edges of the left vertical plate 112 and the right vertical plate 113, and the two second positioning grooves 116 are concave downward. The setting positions of the grooves 116 correspond to the two card plates 214 respectively, which are used to respectively insert the two card plates 214 into the two second positioning grooves 116 to restrict the tooling body 100 from continuing to rotate when the two second positioning grooves 116 respectively meet the two card plates 214 when the tooling body 100 rotates; a third positioning groove 115 is concavely arranged on one side edge of the left vertical plate 112 and the right vertical plate 113, and the setting positions of the two third positioning grooves 115 correspond to the two card plates 214 respectively, which are used to respectively insert the two card plates 214 into the two third positioning grooves 115 to restrict the tooling body 100 from continuing to rotate when the two third positioning grooves 115 respectively meet the two card plates 214 when the tooling body 100 rotates.
[0042] The limit block 130 is in a "U" shape. The "U"-shaped limit block 130 is vertically fixed on the template 111 with the opening of the "U"-shaped limit block 130 facing upward. Adjustment screws 132 are vertically arranged on the outer surfaces of the two ear plates 131 of the "U"-shaped limit block 130, and nuts are arranged on the two adjustment screws 132; a first drill sleeve 134 is vertically arranged between the two ear plates 131 of the "U"-shaped limit block 130, and the first drill sleeve 134 is simultaneously inserted into the first through hole vertically opened on the limit block 130 and the template 111 and corresponding to the connecting hole 97 on the pneumatic pick handle 90; a first bushing 135 is arranged between the first drill sleeve 134 and the first through hole; the first bushing 135 is interference fit with the first through hole; the first drill sleeve 134 is clearance fit arranged in the first drill sleeve 134, and the first drill sleeve 134 is fixed to the template 111 by a first axial clamping screw 136.
[0043] The cross hole drilling template 140 includes a cross hole drilling template 144, a second drill sleeve 141 and a second bushing 142. The cross hole drilling template 144 is inclined on the template 111. The bottom end of the cross hole drilling template 144 is connected to the template 111. The top end of the cross hole drilling template 144 is inclined toward the limit block 130. An acute angle is formed between the cross hole drilling template 144 and the template 111. The angle value of the acute angle is consistent with the angle value between the cross hole 98 on the pneumatic pick handle 90 and the air inlet 91. A second through hole corresponding to the cross hole 98 on the pneumatic pick handle 90 is vertically opened on the cross hole drilling template 144, the second bushing 142 is interference fit in the second through hole, and the second drill sleeve 141 is clearance fit in the second bushing 142 and is fixed to the cross hole drilling template 144 by a second axial clamping screw 143.
[0044] like Figure 7 and 8 As shown, the pressure plate assembly 190 includes a pressure plate 191 and a swing pressure block 192. One end of the pressure plate 191 is hinged to a hinge support 170 fixedly installed on the clamp body 110 through a pin shaft 195. The other end of the pressure plate 191 is concave inward from the edge of the end portion and is provided with a pull rod groove 194 along the length direction of the pressure plate 191 to cooperate with the pull rod bolt 160 to fix the pneumatic pick handle 90. An arc groove 194 is concavely provided on the surface of the pressure plate 191 along the width direction of the pressure plate 191. 1-1, the back side of the swing pressure block 192 is convexly provided with an arc-shaped protrusion 192-1 in the arc-shaped groove 191-1, the arc-shaped protrusion 192-1 is placed in the arc-shaped groove 191-1 and is hinged by a second pin 196, and the arc-shaped protrusion 192-1 swings around the second pin 196 along the arc-shaped groove 191-1; the front side of the swing pressure block 192 is provided with an arc-shaped concave surface 192-2 that matches the curvature of the top of the handle 93 on the jackhammer handle 90.
[0045] The positioning sleeve 120 is composed of a hollow positioning column 121 and a positioning plate 122 at the end. The positioning sleeve 120 is fixed to the template 111 by the positioning plate 122 through screws.
[0046] See attached Figure 1-4As shown, the pneumatic pick handle 90 is placed in the tooling body 100, and the main hole 92 on the pneumatic pick handle 90 is sleeved on the positioning column 121 of the positioning sleeve 120, so that the end face 99 of the handle main hole is completely in contact with the end face of the positioning plate 122, and the two adjusting screws 132 on the limit block 130 are adjusted so that the two adjusting screws 132 are both against the outer surface of the pneumatic pick handle 90 and locked with nuts; at this time, the connecting hole 97 on the pneumatic pick handle 90 is connected to and coaxial with the second drill sleeve 141 on the cross hole drill module 140; the cross hole 98 is connected to and coaxial with the first drill sleeve 134 on the limit block 130. Close the pressure plate 191, swing the arc-shaped concave surface 192-2 on the pressure block 192 to fit the arc-shaped convex surface at the top of the handle 93 on the pneumatic pick handle 90, push the pull rod bolt 160 upward into the pull rod groove 194 of the pressure plate 191 and tighten the nut to ensure that the pneumatic pick handle 90 is pressed, thereby completing the fixation of the pneumatic pick handle 90.
[0047] The working process of the positioning tool of the cross hole drilling member in this embodiment is as follows:
[0048] In this embodiment, the workpiece needs to be used in conjunction with a drilling machine to complete the drilling of the cross hole, so that two cross holes with the same diameter can be installed and processed separately at one time, which reduces auxiliary time and improves work efficiency.
[0049] The pneumatic pick handle 90 to be processed is placed in the tooling body 100 to complete the fixation of the pneumatic pick handle 90 .
[0050] Fix the positioning fixture of the cross hole drilling piece on the drilling machine.
[0051] Loosen the two clamping plates 214, and manually turn the tooling body over half a circle so that the large surface of the template 111 faces upward (see attached Figure 1 ), the two clamping plates 214 are respectively clamped into the two first positioning slots 114, so that the tooling body 100 cannot rotate.
[0052] Start the drilling machine, and the drill bit on the drilling machine is extended from the second drill sleeve 141 into the pneumatic pick handle 90 to machine a connecting hole 97, and various processes are performed on the connecting hole 97. After the connecting hole 97 is processed, the two clamping plates 214 are pushed outward from the two first positioning slots 114, and the tooling body 100 is manually flipped over as a whole so that the side where the horizontal hole drilling template 144 is located faces upward, and the two clamping plates 214 are clamped into the two third positioning slots 115 to prevent the tooling body 100 from rotating.
[0053] Start the drilling machine, and the drill bit on the drilling machine extends from the first drill sleeve 134 into the pneumatic pick handle 90 to machine a transverse hole 98, and performs various processes on the transverse hole 98. After the transverse hole 98 is machined, the two clamping plates 214 are pushed outwardly through the two third positioning slots 115, and the tooling body 100 is manually flipped over so that the pressure plate assembly 190 is facing upward.
[0054] Insert the two clamping plates 214 into the two second positioning grooves 116 on the surface where the pressure plate assembly 190 is located, loosen the clamping nut of the pull rod bolt 160 and push the pull rod bolt 160 to the side, flip the pressure plate assembly 190 to the other side, take out the processed handle body and clean the tooling, and complete the drilling of the cross hole on the pneumatic pick handle body 90.
[0055] Anything not specifically described in the specification of the present invention is prior art or can be implemented by existing technology. It should be understood that for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should fall within the scope of protection of the claims attached to the present invention.
Claims
1. A positioning tool for a cross hole drilling part, characterized in that: It comprises a support (200) and a tooling body (100) supported on the support (200) for 360° rotation, and a pneumatic pick handle (90) is placed on the tooling body (100); The support (200) comprises a bottom plate (210), a left support plate (211), a right support plate (221) and two clamping plates (214). The left support plate (211) and the right support plate (221) are both vertically arranged on the bottom plate (210). A gap is arranged between the left support plate (211) and the right support plate (221). Bearings (234) for supporting the tooling body (100) are arranged on the top of the left support plate (211) and the right support plate (221). 1), the outer rings of the two bearings (231) are fixed by cover plates (212), the two cover plates (212) are respectively arranged on the top of the left support plate (211) and the right support plate (221), the two clamping plates (214) are both "L" shaped, the two clamping plates (214) are respectively arranged on the upper ends of the two cover plates (212) by first pins (213), and the two clamping plates (214) are symmetrically arranged to clamp the tooling body (100); The tooling body (100) comprises a clamping body (110), a positioning sleeve (120), a limiting block (130), a horizontal hole drilling die set (140), a tie rod bolt (160), a hinge support (170) and a pressure plate assembly (190). The clamp body (110) comprises a template (111), a left vertical plate (112) and a right vertical plate (113). The left vertical plate (112) and the right vertical plate (113) are respectively fixed vertically at two ends of the template (111). Rotating shafts (151) are vertically arranged on the outer sides of the left vertical plate (112) and the right vertical plate (113). The two rotating shafts (151) are coaxial and are respectively inserted into two bearings (231) on the support (200). An "L"-shaped first positioning slot (114) is provided at the intersection of the right vertical plate (113) and the template (111), and the two first positioning slots (114) are respectively provided at positions corresponding to the two card plates (214) and are provided for respectively inserting the two card plates (214) into the two first positioning slots (114) when the tooling body (100) respectively encounters the two card plates (214) when the tooling body (100) rotates, so as to restrict the tooling body (100) from continuing to rotate. The left vertical plate (112) and the right vertical plate (113) are both provided with second positioning slots (116) which are concave downwards at the top edges. The two second positioning slots (116) are respectively provided at positions corresponding to the two card plates (214) and are used for, when the tooling body (100) rotates, when the two second positioning slots (116) respectively meet the two card plates (214), the two card plates (214) are respectively inserted into the two second positioning slots (116) to restrict the tooling body (100) from rotating continuously. The left vertical plate (112) and the right vertical plate (113) are provided with third positioning slots (115) on the inner side edges thereof, and the two third positioning slots (115) are provided at positions corresponding to the two clamping plates (214) respectively, so that when the tooling body (100) rotates, when the two third positioning slots (115) respectively meet the two clamping plates (214), the two clamping plates (214) are respectively clamped into the two third positioning slots (115) to restrict the tooling body (100) from continuing to rotate; A left hinge support platform (117) is arranged on the inner side surface of the top end of the left vertical plate (112), and a pull rod bolt (160) is arranged on the left hinge support platform (117); A right hinge support platform (118) is arranged on the inner side surface of the top end of the right vertical plate (113), a hinge support (170) is arranged on the right hinge support platform (118), and a pressure plate assembly (190) is hingedly connected to the hinge support (170); The positioning sleeve (120) is arranged on the template (111), and the left vertical plate (112) and the right vertical plate (113) are symmetrically arranged with respect to the positioning sleeve (120); The limit block (130) is arranged on the template (111) and is arranged close to the positioning sleeve (120); the horizontal hole drilling module (140) is arranged on the template (111) and is arranged close to the limit block (130); the positioning sleeve (120), the limit block (130) and the horizontal hole drilling module (140) are arranged along the horizontal direction of the left vertical plate (112); The limiting block (130) is in a "U" shape. The "U"-shaped limiting block (130) is vertically fixed on the template (111) and the opening of the "U"-shaped limiting block (130) faces upward. Adjusting screws (132) are vertically arranged on the outer sides of the two ear plates (131) of the "U"-shaped limiting block (130), and nuts are arranged on the two adjusting screws (132); a first drill sleeve (134) is vertically arranged between the two ear plates (131) of the "U"-shaped limiting block (130). The drill sleeve (134) is simultaneously inserted into the first through hole vertically opened on the limit block (130) and the template (111) and corresponding to the connecting hole (97) on the pneumatic pick handle (90); a first bushing (135) is arranged between the first drill sleeve (134) and the first through hole; the first bushing (135) is interference-fitted with the first through hole; the first drill sleeve (134) is clearance-fitted in the first drill sleeve (134); and the first drill sleeve (134) is fixed to the template (111) by an axial tightening screw; The horizontal hole drilling template (140) comprises a horizontal hole drilling template (144), a second drilling sleeve (141) and a second bushing (142); the horizontal hole drilling template (144) is arranged on the template (111) at an angle; the bottom end of the horizontal hole drilling template (144) is connected to the template (111); the top end of the horizontal hole drilling template (144) is inclined toward the limit block (130); an acute angle is formed between the horizontal hole drilling template (144) and the template (111); and the angle value of the acute angle is The angle between the transverse hole (98) on the pneumatic pick handle (90) and the air inlet hole (91) is consistent; a second through hole corresponding to the transverse hole (98) on the pneumatic pick handle (90) is vertically opened on the transverse hole drilling template (144); a second bushing (142) is interference-fitted in the second through hole; a second drill sleeve (141) is clearance-fitted in the second bushing (142) and fixed to the transverse hole drilling template (144) by an axial tightening screw (143); The pressure plate assembly (190) includes a pressure plate (191) and a swing pressure block (192). One end of the pressure plate (191) is hinged to a hinge support (170) fixedly installed on the clamp body (110) through a pin shaft (195). The other end of the pressure plate (191) is concave inward from the edge of the end portion. A pull rod groove (194) is provided along the length direction of the pressure plate (191) to cooperate with the pull rod bolt (160) to fix the pneumatic pick handle (90). An arc-shaped groove (194) is provided on the surface of the pressure plate (191) along the width direction of the pressure plate (191). 1-1), the back side of the swinging pressure block (192) is convexly provided with an arc-shaped protrusion (192-1) in the arc-shaped groove (191-1), the arc-shaped protrusion (192-1) is placed in the arc-shaped groove (191-1) and is hinged by a second pin (196), and the arc-shaped protrusion (192-1) swings around the second pin (196) along the arc-shaped groove (191-1); the front side of the swinging pressure block (192) is provided with an arc-shaped concave surface (192-2) matching the curvature of the top of the handle (93) on the pneumatic pick handle (90).
2. The positioning tool for the cross hole drilling member according to claim 1, characterized in that: Coaxial rotating shaft holes are machined on the left vertical plate (112) and the right vertical plate (113), two rotating shafts (151) are respectively arranged in the two rotating shaft holes and are interference fit, and retaining rings (152) are sleeved on the two rotating shafts (151).
3. The positioning tool for the cross hole drilling member according to claim 1, characterized in that: The positioning sleeve (120) is composed of a hollow positioning column (121) and a positioning plate (122) at the end. The positioning sleeve (120) is fixed to the template (111) by the positioning plate (122) through screws.
Citation Information
Patent Citations
Positioning tool for cross-hole drilling part
CN210023863U