A lower guard plate drilling fixture

Abstract

The utility model provides a lower guard plate drilling fixture, which belongs to the technical field of lower guard plate processing; the lower guard plate drilling fixture is used to position the lower guard plate body, and the lower guard plate drilling fixture comprises: a bottom plate, a fixed plate, a first support groove, a mounting plate, a threaded rod, a clamping plate, an adjustment mechanism and a drill sleeve; the adjustment mechanism drives multiple drill sleeves to move above the lower guard plate body to adjust the relative displacement of the drill sleeve and the lower guard plate body, so that it is convenient for a staff member to operate the drill bit of a drilling machine to pass through the drill sleeve and drill multiple rows of through holes on the lower guard plate body, thereby completing the drilling processing of the lower guard plate body in one clamping, so as to improve the processing efficiency of the lower guard plate body; and, the drill bit is guided by the drill sleeve, so as to realize that there is no need to draw lines on the lower guard plate body (mark the drilling position of the lower guard plate body), so as to clearly determine the drilling position of the lower guard plate body, thereby further improving the processing efficiency of the lower guard plate body.

Description

Technical Field

[0001] The utility model belongs to the technical field of lower guard plate processing, and in particular relates to a lower guard plate drilling fixture. Background Art

[0002] In the related art, during the production process of the underbody guard of an automobile, it is necessary to perform drilling processing on the underbody guard; during the drilling processing on the underbody guard, in order to improve the stability of the underbody guard, it is necessary to clamp the underbody guard by a special clamp.

[0003] The prior art (announcement number: CN210412698U) provides a drilling fixture, including a bottom plate and a top plate, two side plates are arranged between the bottom plate and the top plate to connect them; a fixed clamping jaw is fixed on the inner side surface of one side plate by screws, and a first through hole is opened on the other side plate, a nut is fixedly installed in the first through hole by screws, a screw rod is threadedly connected to the nut, one end of the screw rod is rotatably connected to the movable clamping jaw, and the other end of the screw rod is provided with a handle; a plurality of drill avoidance holes are opened on the top plate.

[0004] In this prior art, since the positions of the drill sleeve and the workpiece to be drilled are relatively fixed, when multiple rows of through holes need to be drilled on the workpiece, the workpiece needs to be clamped again to adjust the relative position of the drill sleeve and the workpiece. This will require multiple clamping of the workpiece, thereby reducing the processing efficiency of the workpiece. Utility Model Content

[0005] In order to solve the problem in the above-mentioned prior art that the relative position between the drill sleeve and the workpiece needs to be adjusted, so that the workpiece needs to be clamped multiple times, thereby reducing the processing efficiency of the workpiece, the utility model provides a lower guard plate drilling fixture, which uses an adjustment mechanism to drive multiple drill sleeves to move above the lower guard plate body to adjust the relative displacement between the drill sleeve and the lower guard plate body, so that it is convenient for the staff to operate the drill bit of the drilling machine to pass through the drill sleeve and drill multiple rows of through holes on the lower guard plate body, thereby completing the drilling processing of the lower guard plate body in one clamping, so as to improve the processing efficiency of the lower guard plate body. Its specific technical solution is:

[0006] A lower guard plate drilling fixture, the lower guard plate drilling fixture is used to position the lower guard plate body, and the lower guard plate drilling fixture includes: a base plate, a fixed plate, a first supporting groove, a mounting plate, a threaded rod, a clamping plate, an adjusting mechanism and a drill sleeve; the fixing plate is L-shaped, and the fixing plate is fixed to the base plate; the first supporting groove is arranged on the fixing plate, and the lower guard plate body is embedded in the first supporting groove; a first threaded hole is arranged in the mounting plate, and a first internal thread is arranged in the first threaded hole, the mounting plate is fixed to the base plate, and the mounting plate is opposite to the fixing plate; a first external thread is arranged on the outer wall of the threaded rod, and the threaded rod passes through the first threaded hole of the mounting plate; the clamping plate is rotatably connected to the threaded rod, the clamping plate is located between the mounting plate and the fixed plate, and the clamping plate is in contact with the lower guard plate body; the adjusting mechanism is installed on the base plate, and the adjusting mechanism is arranged around the outside of the lower guard plate body; multiple drill sleeves are installed on the adjusting mechanism, and multiple drill sleeves are located above the lower guard plate body; wherein the first external thread is adapted to the first internal thread.

[0007] In addition, the lower guard plate drilling fixture in the above technical solution provided by the utility model may also have the following additional technical features:

[0008] In the above technical scheme, the lower guard plate drilling fixture also includes: a first support plate, a second support groove, a second support plate, an auxiliary positioning plate and a first spring; the first support plate is L-shaped, the first support plate is fixed on the base plate, and the first support plate is perpendicular to the fixed plate; the second support groove is arranged on the first support plate, and the lower guard plate body is embedded in the second support groove; the second support plate is fixed on the base plate, and the second support plate is opposite to the first support plate; the auxiliary positioning plate is located between the first support plate and the second support plate, and the auxiliary positioning plate is in contact with the lower guard plate body; one end of multiple first springs is connected to the auxiliary positioning plate, and the other end of multiple first springs is connected to the second support plate.

[0009] In the above technical scheme, the adjustment mechanism includes: a first adjustment support plate, a lead screw and an adjustment frame; two first adjustment support plates are fixed on the base plate, there is a spacing between the two first adjustment support plates, and the two first adjustment support plates are located on one side of the second support plate; a second external thread is provided on the outer wall of the lead screw, and the two ends of the lead screw are rotatably connected to the two first adjustment support plates respectively; a second threaded hole is provided at one end of the adjustment frame, a second internal thread is provided in the second threaded hole, the lead screw passes through the second threaded hole of the adjustment frame, the adjustment frame is wound around the outer side of the lower guard plate body, and a plurality of drill sleeves are installed on the adjustment frame; wherein the second external thread is adapted to the second internal thread.

[0010] In the above technical solution, the adjustment mechanism also includes: a second adjustment support plate, a light bar and a first hand wheel; two second adjustment support plates are fixed on the base plate, there is a spacing between the two second adjustment support plates, and the two second adjustment support plates are located on one side of the first support plate; the two ends of the light bar are respectively connected to the two second adjustment support plates, and the light bar passes through the other end of the adjustment frame; the first hand wheel is mounted on the outside of the screw.

[0011] In the above technical scheme, the adjustment mechanism also includes: a third support plate, a positioning groove, a positioning rod, a limit plate and a second spring; the third support plate is fixed to the base plate, and the third support plate is located on one side of the optical bar; the positioning groove is on the side wall at the other end of the adjustment frame, and the positioning groove is opposite to the third support plate; a plurality of positioning rods pass through the third support plate, and one end of a positioning rod is embedded in the positioning groove; a plurality of limit plates are respectively connected to the other ends of the plurality of positioning rods; one end of the second spring is connected to the limit plate, and the other end of the second spring is connected to the third support plate.

[0012] In the above technical solution, the lower guard plate drilling fixture also includes: a guide rod, a bearing seat and a linear bearing; one end of the two guide rods is connected to the clamping plate, and the other ends of the two guide rods pass through the mounting plate; the bearing seat is fixed on the mounting plate, and the bearing seat is wrapped around the outside of the guide rod; the linear bearing is mounted on the outside of the guide rod, and the linear bearing is embedded in the bearing seat.

[0013] In the above technical solution, the lower guard plate drilling fixture also includes: a second hand wheel; the second hand wheel is sleeved on the outer side of the threaded rod.

[0014] Compared with the prior art, the lower guard plate drilling fixture of the utility model has the following beneficial effects:

[0015] 1. The adjustment mechanism drives multiple drill sleeves to move above the lower guard plate body to adjust the relative displacement between the drill sleeves and the lower guard plate body, thereby facilitating the staff to operate the drill bit of the drilling machine to pass through the drill sleeves and drill multiple rows of through holes on the lower guard plate body, thereby completing the drilling processing of the lower guard plate body in one clamping, thereby improving the processing efficiency of the lower guard plate body; moreover, the drill bit is guided by the drill sleeve, so that the drilling position of the lower guard plate body can be clearly determined without drawing lines on the lower guard plate body (marking the drilling position of the lower guard plate body), thereby further improving the processing efficiency of the lower guard plate body.

[0016] 2. When preparing to drill holes on the lower guard plate body, first place the lower guard plate body in the first support groove and the second support groove at the same time, so that the first support plate and the fixed plate can support the lower guard plate body at the same time; at the same time, when the lower guard plate body is placed in the first support groove and the second support groove, the lower guard plate body contacts the auxiliary positioning plate and presses the auxiliary positioning plate to move toward the second support plate. At this time, the first spring is compressed, thereby utilizing the elastic force of the first spring to make the auxiliary positioning plate cooperate with the second support plate to clamp the lower guard plate body, thereby improving the stability of the lower guard plate body.

[0017] 3. By passing the lead screw through the second threaded hole of the adjusting frame, the adjusting ring is arranged on the outer side of the lower guard plate body, and multiple drill sleeves are installed on the adjusting frame to realize threaded connection between the lead screw and the adjusting frame, thereby rotating the lead screw to drive the adjusting frame and multiple drill sleeves to move, so as to adjust the position of the drill sleeve, and then realize drilling holes at multiple positions of the lower guard plate body through the drill sleeve.

[0018] 4. By passing the optical bar through the other end of the adjustment frame, the adjustment frame can be moved along the optical bar, thereby improving the stability of the movement of the adjustment frame; by sleeved the first hand wheel on the outside of the lead screw, the first hand wheel can be rotated to drive the lead screw to rotate the groove, thereby reducing the difficulty of rotating the lead screw, thereby improving the user experience of the product.

[0019] 5. When the adjusting frame moves along the optical bar, the adjusting frame first contacts the positioning rod and presses the positioning rod to move away from the adjusting frame. At this time, the second spring is stretched; when the positioning rod is opposite to the positioning groove, the second spring is reset and drives the positioning rod to move toward the adjusting frame until the positioning rod is embedded in the positioning groove, thereby positioning the adjusting frame and the drill sleeve to prevent the adjusting frame from continuing to move, thereby improving the processing accuracy of the lower guard plate body.

[0020] 6. By fixing the bearing seat on the mounting plate, the linear bearing is mounted on the outside of the guide rod, and the linear bearing is embedded in the bearing seat, so that the bearing seat supports the guide rod through the linear bearing, thereby improving the stability of the movement of the guide rod and the clamping plate.

[0021] 7. By sleeved the second hand wheel on the outside of the threaded rod, the second hand wheel and the threaded rod can be rotated synchronously, so that the second hand wheel can be rotated to drive the threaded rod to rotate, so as to reduce the difficulty of rotating the threaded rod and improve the product experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a top view of a lower guard plate drilling fixture of the utility model;

[0023] Figure 2 for Figure 1 A local enlarged view of point A;

[0024] Figure 3 for Figure 1 A partial enlarged view of point B;

[0025] Figure 4 It is a three-dimensional diagram of the adjustment frame of the utility model;

[0026] Figure 5 It is a three-dimensional diagram of the fixing plate of the utility model;

[0027] Figure 6 It is a three-dimensional diagram of the first support plate of the utility model;

[0028] in, Figures 1 to 6 The corresponding relationship between the reference numerals and component names in the figure is:

[0029] 10 lower guard plate body, 11 bottom plate, 12 fixing plate, 13 first supporting groove, 14 mounting plate, 15 threaded rod, 16 clamping plate, 17 adjusting mechanism, 171 first adjusting supporting plate, 172 lead screw, 173 adjusting frame, 174 second adjusting supporting plate, 175 light rod, 176 first hand wheel, 177 third supporting plate, 178 positioning groove, 179 positioning rod, 180 limiting plate, 181 second spring, 19 drill sleeve, 20 first supporting plate, 21 second supporting groove, 22 second supporting plate, 23 auxiliary positioning plate, 24 first spring, 25 guide rod, 26 bearing seat, 27 second hand wheel. DETAILED DESCRIPTION

[0030] The following is a combination of specific implementation cases and attached Figures 1 to 6 The present invention is further described below, but the present invention is not limited to these embodiments.

[0031] A lower guard plate drilling fixture, such as Figures 1 to 6As shown, the lower guard plate drilling fixture positions the lower guard plate body 10, and the lower guard plate drilling fixture includes: a bottom plate 11, a fixing plate 12, a first supporting groove 13, a mounting plate 14, a threaded rod 15, a clamping plate 16, an adjustment mechanism 17 and a drill sleeve 19; the fixing plate 12 is L-shaped, and the fixing plate 12 is fixed on the bottom plate 11; the first supporting groove 13 is arranged on the fixing plate 12, and the lower guard plate body 10 is embedded in the first supporting groove 13; a first threaded hole is arranged in the mounting plate 14, and a first internal thread is arranged in the first threaded hole, and the mounting plate 14 is fixed on the bottom plate 11, and the mounting plate 14 Opposite to the fixing plate 12; a first external thread is arranged on the outer wall of the threaded rod 15, and the threaded rod 15 passes through the first threaded hole of the mounting plate 14; the clamping plate 16 is rotatably connected to the threaded rod 15, the clamping plate 16 is located between the mounting plate 14 and the fixing plate 12, and the clamping plate 16 is in contact with the lower guard plate body 10; the adjusting mechanism 17 is installed on the bottom plate 11, and the adjusting mechanism 17 is arranged around the outer side of the lower guard plate body 10; a plurality of drill sleeves 19 are installed on the adjusting mechanism 17, and a plurality of drill sleeves 19 are located above the lower guard plate body 10; wherein, the first external thread is adapted to the first internal thread.

[0032] By fixing the L-shaped fixing plate 12 on the base plate 11, setting the first supporting groove 13 on the fixing plate 12, and embedding the lower guard plate body 10 into the first supporting groove 13, the fixing plate 12 can support and position one end of the lower guard plate body 10 through the first supporting groove 13; by fixing the mounting plate 14 on the base plate 11, passing the threaded rod 15 through the first threaded hole of the mounting plate 14, and rotatably connecting the clamping plate 16 to the threaded rod 15, so as to realize the threaded connection between the threaded rod 15 and the mounting plate 14, thereby screwing the threaded rod 15 so that the threaded rod 15 extends out from the mounting plate 14, so that the threaded rod 15 drives the clamping plate 16 to move, and then the clamping plate 16 cooperates with the fixing plate 12 to clamp the lower guard plate body 10, so as to improve the stability of the lower guard plate body 10. By installing the adjusting mechanism 17 on the base plate 11, installing multiple drill sleeves 19 on the adjusting mechanism 17, and making the multiple drill sleeves 19 located above the lower guard plate body 10, the adjusting mechanism 17 can drive the multiple drill sleeves 19 to move above the lower guard plate body 10, so that the drill sleeves 19 can guide the drill bit to perform drilling processing on the lower guard plate body 10, so as to improve the processing accuracy of the lower guard plate body 10.

[0033] When the product is used, one end of the lower guard plate body 10 is first embedded in the first supporting groove 13; then, the threaded rod 15 is screwed so that the threaded rod 15 drives the clamping plate 16 to move toward the fixed plate 12, so that the clamping plate 16 cooperates with the fixed plate 12 to clamp the lower guard plate body 10; then, the adjusting mechanism 17 is started so that the adjusting mechanism 17 drives multiple drill sleeves 19 to move above the lower guard plate body 10, so that the staff can operate the drill bit of the drilling machine to pass through the drill sleeve 19 and drill holes in the lower guard plate body 10, thereby improving the drilling accuracy of the lower guard plate body 10.

[0034] By adopting the above structure, the adjustment mechanism 17 drives multiple drill sleeves 19 to move above the lower guard plate body 10, so that the staff can operate the drill bit of the drilling machine to pass through the drill sleeves 19 and drill holes in the lower guard plate body 10, thereby improving the drilling accuracy of the lower guard plate body 10. At the same time, there is no need to mark the lower guard plate body 10 (mark the drilling position of the lower guard plate body 10), thereby improving the processing efficiency of the lower guard plate body 10.

[0035] Specifically, a ball is welded to the end of the threaded rod 15, and the ball is embedded in the clamping plate 16; the mounting sleeve is wrapped around the outside of the ball, and the mounting sleeve is connected to the clamping plate 16, so that when the threaded rod 15 rotates, the threaded rod 15 drives the ball to rotate, and the threaded rod 15 pushes the clamping plate 16 to move through the ball, so as to avoid the threaded rod 15 driving the clamping plate 16 to rotate.

[0036] In the embodiment of the present utility model, Figures 1 to 6 As shown, the lower guard plate drilling fixture also includes: a first support plate 20, a second support groove 21, a second support plate 22, an auxiliary positioning plate 23 and a first spring 24; the first support plate 20 is L-shaped, the first support plate 20 is fixed on the base plate 11, and the first support plate 20 is perpendicular to the fixed plate 12; the second support groove 21 is arranged on the first support plate 20, and the lower guard plate body 10 is embedded in the second support groove 21; the second support plate 22 is fixed on the base plate 11, and the second support plate 22 is opposite to the first support plate 20; the auxiliary positioning plate 23 is located between the first support plate 20 and the second support plate 22, and the auxiliary positioning plate 23 is in contact with the lower guard plate body 10; one end of the plurality of first springs 24 is connected to the auxiliary positioning plate 23, and the other end of the plurality of first springs 24 is connected to the second support plate 22.

[0037] By fixing the L-shaped first support plate 20 on the base plate 11, setting the second support groove 21 on the first support plate 20, and embedding the lower guard plate body into the second support groove 21, the first support plate 20 can support the lower guard plate body 10 through the second support groove 21; by fixing the second support plate 22 on the base plate 11, connecting one end of a plurality of first springs 24 to the auxiliary positioning plate 23, and connecting the other end of a plurality of first springs 24 to the second support plate 22, the second support plate 22 can support the auxiliary positioning plate 23 through a plurality of first springs 24; at the same time, by fitting the auxiliary positioning plate 23 to the lower guard plate body 10, the auxiliary positioning plate 23 and the first support plate 20 can cooperate to preliminarily clamp the lower guard plate body 10, so as to improve the stability of the lower guard plate body 10.

[0038] By adopting the above structure, when preparing to drill the lower guard plate body 10, the lower guard plate body 10 is first placed in the first support groove 13 and the second support groove 21 at the same time, so that the first support plate 20 and the fixed plate 12 can support the lower guard plate body 10 at the same time; at the same time, when the lower guard plate body 10 is placed in the first support groove 13 and the second support groove 21, the lower guard plate body 10 contacts the auxiliary positioning plate 23 and presses the auxiliary positioning plate 23 to move toward the second support plate 22. At this time, the first spring 24 is compressed, so that the elastic force of the first spring 24 is utilized to make the auxiliary positioning plate 23 cooperate with the second support plate 22 to clamp the lower guard plate body 10, thereby improving the stability of the lower guard plate body 10.

[0039] Specifically, a chamfer is provided on the top of the auxiliary positioning plate 23 to facilitate the lower guard plate body 10 to press the auxiliary positioning plate 23 to move toward the second support plate 22 .

[0040] In the embodiment of the present utility model, Figures 1 to 6 As shown, the adjustment mechanism 17 includes: a first adjustment support plate 171, a lead screw 172 and an adjustment frame 173; the two first adjustment support plates 171 are fixed on the base plate 11, there is a spacing between the two first adjustment support plates 171, and the two first adjustment support plates 171 are located on one side of the second support plate 22; a second external thread is provided on the outer wall of the lead screw 172, and the two ends of the lead screw 172 are rotatably connected to the two first adjustment support plates 171 respectively; a second threaded hole is provided at one end of the adjustment frame 173, a second internal thread is provided in the second threaded hole, the lead screw 172 passes through the second threaded hole of the adjustment frame 173, the adjustment frame 173 is arranged around the outer side of the lower guard plate body 10, and a plurality of drill sleeves 19 are installed on the adjustment frame 173; wherein, the second external thread is adapted to the second internal thread.

[0041] By fixing the two first adjustment support plates 171 on the base plate 11, and rotatably connecting the two ends of the lead screw 172 to the two first adjustment support plates 171 respectively, the two first adjustment support plates 171 can support the lead screw 172, so that the lead screw 172 can rotate between the two first adjustment support plates 171; by passing the lead screw 172 through the second threaded hole of the adjustment frame 173, the adjustment is arranged on the outside of the lower guard plate body 10, and multiple drill sleeves 19 are installed on the adjustment frame 173 to achieve threaded connection between the lead screw 172 and the adjustment frame 173, so that the lead screw 172 can be rotated, so that the lead screw 172 drives the adjustment frame 173 and multiple drill sleeves 19 to move, so as to adjust the position of the drill sleeve 19, and then realize drilling holes in multiple positions of the lower guard plate body 10 through the drill sleeve 19.

[0042] In the embodiment of the present utility model, Figures 1 to 6 As shown, the adjustment mechanism 17 also includes: a second adjustment support plate 174, a light bar 175 and a first hand wheel 176; the two second adjustment support plates 174 are fixed on the base plate 11, there is a spacing between the two second adjustment support plates 174, and the two second adjustment support plates 174 are located on one side of the first support plate 20; the two ends of the light bar 175 are respectively connected to the two second adjustment support plates 174, and the light bar 175 passes through the other end of the adjustment frame 173; the first hand wheel 176 is sleeved on the outside of the lead screw 172.

[0043] By fixing the two second adjustment support plates 174 on the base plate 11, and connecting the two ends of the optical rod 175 to the two second adjustment support plates 174 respectively, the two second support plates 22 can support the optical rod 175, thereby improving the stability of the optical rod 175; by allowing the optical rod 175 to pass through the other end of the adjustment frame 173, the adjustment frame 173 can be moved along the optical rod 175, thereby improving the stability of the movement of the adjustment frame 173; by fitting the first hand wheel 176 on the outside of the lead screw 172, the first hand wheel 176 can be rotated to drive the lead screw 172 to rotate the groove, thereby reducing the difficulty of rotating the lead screw 172, thereby improving the user experience of the product.

[0044] In the embodiment of the present utility model, Figures 1 to 6As shown, the adjustment mechanism 17 also includes: a third support plate 177, a positioning groove 178, a positioning rod 179, a limit plate 180 and a second spring 181; the third support plate 177 is fixed on the base plate 11, and the third support plate 177 is located on one side of the optical rod 175; the positioning groove 178 is on the side wall of the other end of the adjustment frame 173, and the positioning groove 178 is opposite to the third support plate 177; a plurality of positioning rods 179 pass through the third support plate 177, and one end of a positioning rod 179 is embedded in the positioning groove 178; a plurality of limit plates 180 are respectively connected to the other ends of the plurality of positioning rods 179; one end of the second spring 181 is connected to the limit plate 180, and the other end of the second spring 181 is connected to the third support plate 177.

[0045] By fixing the third support plate 177 on the base plate 11 and passing multiple positioning rods 179 through the third support plate 177, the multiple positioning rods 179 can be moved in the third support plate 177; by connecting multiple limit plates 180 to the other ends of the multiple positioning rods 179 respectively, connecting one end of the second spring 181 to the limit plate 180, and connecting the other end of the second spring 181 to the third support plate 177, the third support plate 177 supports the limit plate 180 and the positioning rod 179 through the second spring 181; by setting a positioning groove 178 on the side wall of the other end of the adjusting frame 173, and embedding one end of the positioning rod 179 into the positioning groove 178, the positioning rod 179 can position the adjusting frame 173, thereby positioning the drill sleeve 19 installed on the adjusting frame 173, so as to improve the processing accuracy of the lower guard plate body 10.

[0046] With the above structure, when the adjusting frame 173 moves along the optical rod 175, the adjusting frame 173 first contacts the positioning rod 179 and forces the positioning rod 179 to move away from the adjusting frame 173. At this time, the second spring 181 is stretched; when the positioning rod 179 is opposite to the positioning groove 178, the second spring 181 is reset and drives the positioning rod 179 to move toward the adjusting frame 173 until the positioning rod 179 is embedded in the positioning groove 178, thereby positioning the adjusting frame 173 and the drill sleeve 19 to prevent the adjusting frame 173 from continuing to move, thereby improving the processing accuracy of the lower guard plate body 10.

[0047] In the embodiment of the present utility model, Figures 1 to 6 As shown, the lower guard plate drilling fixture also includes: a guide rod 25, a bearing seat 26 and a linear bearing; one end of the two guide rods 25 is connected to the clamping plate 16, and the other end of the two guide rods 25 passes through the mounting plate 14; the bearing seat 26 is fixed on the mounting plate 14, and the bearing seat 26 is arranged around the outside of the guide rod 25; the linear bearing is sleeved on the outside of the guide rod 25, and the linear bearing is embedded in the bearing seat 26.

[0048] By connecting one end of the two guide rods 25 to the clamping plate 16 and passing the other ends of the two guide rods 25 through the mounting plate 14, the two guide rods 25 can move synchronously with the clamping plate 16; by fixing the bearing seat 26 on the mounting plate 14, the linear bearing is mounted on the outside of the guide rod 25, and the linear bearing is embedded in the bearing seat 26, so that the bearing seat 26 supports the guide rod 25 through the linear bearing, thereby improving the stability of the movement of the guide rod 25 and the clamping plate 16.

[0049] In the embodiment of the present utility model, Figures 1 to 6 As shown, the lower guard plate drilling fixture also includes: a second hand wheel 27; the second hand wheel 27 is sleeved on the outer side of the threaded rod 15.

[0050] By sleeved the second hand wheel 27 on the outside of the threaded rod 15, the second hand wheel 27 and the threaded rod 15 can rotate synchronously, so that the second hand wheel 27 can be rotated to drive the threaded rod 15 to rotate, thereby reducing the difficulty of rotating the threaded rod 15 and improving the user experience of the product.

[0051] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral 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 present invention can be understood according to specific circumstances.

[0052] In the description of the present invention, the terms "one embodiment", "some embodiments", "specific embodiments", etc. mean 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 present invention. In the present invention, 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 can be combined in any one or more embodiments or examples in a suitable manner.

[0053] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A lower guard plate drilling fixture, which is used to position the lower guard plate body, characterized in that: The lower guard plate drilling fixture comprises: Base plate; A fixing plate, the fixing plate is L-shaped and fixed to the bottom plate; a first supporting groove, wherein the first supporting groove is arranged on the fixing plate, and the lower guard plate body is embedded in the first supporting groove; A mounting plate, wherein a first threaded hole is provided in the mounting plate, a first internal thread is provided in the first threaded hole, the mounting plate is fixed to the bottom plate, and the mounting plate is opposite to the fixing plate; A threaded rod, wherein a first external thread is arranged on an outer wall of the threaded rod, and the threaded rod passes through a first threaded hole of the mounting plate; A clamping plate, the clamping plate is rotatably connected to the threaded rod, the clamping plate is located between the mounting plate and the fixing plate, and the clamping plate is in contact with the lower guard plate body; An adjusting mechanism, the adjusting mechanism is mounted on the bottom plate and is arranged around the outer side of the lower guard plate body; Drill sleeves, a plurality of the drill sleeves are mounted on the adjustment mechanism, and a plurality of the drill sleeves are located above the lower guard plate body; Wherein, the first external thread is matched with the first internal thread.

2. A lower guard plate drilling fixture according to claim 1, characterized in that: The lower guard plate drilling fixture also includes: A first support plate, wherein the first support plate is L-shaped, the first support plate is fixed to the bottom plate, and the first support plate is perpendicular to the fixing plate; a second supporting groove, wherein the second supporting groove is arranged on the first supporting plate, and the lower guard plate body is embedded in the second supporting groove; a second support plate, the second support plate being fixed on the bottom plate and opposite to the first support plate; An auxiliary positioning plate, the auxiliary positioning plate is located between the first supporting plate and the second supporting plate, and the auxiliary positioning plate is in contact with the lower guard plate body; First springs, one end of the plurality of first springs is connected to the auxiliary positioning plate, and the other end of the plurality of first springs is connected to the second supporting plate.

3. A lower guard plate drilling fixture according to claim 2, characterized in that: The regulating mechanism comprises: A first adjustment support plate, wherein two of the first adjustment support plates are fixed on the bottom plate, a distance is provided between the two first adjustment support plates, and the two first adjustment support plates are located on one side of the second support plate; A lead screw, wherein a second external thread is provided on an outer wall of the lead screw, and both ends of the lead screw are rotatably connected to the two first adjustment support plates respectively; An adjusting frame, wherein a second threaded hole is provided at one end of the adjusting frame, a second internal thread is provided in the second threaded hole, the lead screw passes through the second threaded hole of the adjusting frame, the adjusting frame is wound around the outer side of the lower guard plate body, and a plurality of the drill sleeves are installed on the adjusting frame; Wherein, the second external thread is matched with the second internal thread.

4. A lower guard plate drilling fixture according to claim 3, characterized in that: The regulating mechanism also includes: A second adjustment support plate, wherein two of the second adjustment support plates are fixed on the bottom plate, a distance is provided between the two second adjustment support plates, and the two second adjustment support plates are located on one side of the first support plate; An optical bar, both ends of which are respectively connected to the two second adjustment support plates, and the optical bar passes through the other end of the adjustment frame; A first hand wheel is sleeved on the outer side of the lead screw.

5. A lower guard plate drilling fixture according to claim 4, characterized in that: The regulating mechanism also includes: A third support plate, the third support plate is fixed on the bottom plate, and the third support plate is located on one side of the optical bar; A positioning groove, the positioning groove is on the side wall of the other end of the adjustment frame, and the positioning groove is opposite to the third support plate; Positioning rods, a plurality of the positioning rods pass through the third support plate, and one end of one of the positioning rods is embedded in the positioning groove; A limiting plate, wherein the plurality of limiting plates are respectively connected to the other ends of the plurality of positioning rods; A second spring, one end of the second spring is connected to the limiting plate, and the other end of the second spring is connected to the third supporting plate.

6. The lower guard plate drilling fixture according to claim 1, characterized in that: The lower guard plate drilling fixture also includes: Guide rods, one end of the two guide rods is connected to the clamping plate, and the other ends of the two guide rods pass through the mounting plate; A bearing seat, the bearing seat is fixed on the mounting plate and is arranged around the outer side of the guide rod; A linear bearing is sleeved on the outer side of the guide rod and embedded in the bearing seat.

7. A lower guard plate drilling fixture according to claim 6, characterized in that: The lower guard plate drilling fixture also includes: A second hand wheel is sleeved on the outer side of the threaded rod.

Images