An angle head placement device

Abstract

This utility model provides an angle head placement device, belonging to the technical field of machine tool accessories. The angle head placement device includes: a base plate, columns, adjusting rods, positioning holes, positioning pins, support mechanisms, a tray, a first receiving groove, a supporting mechanism, and a positioning mechanism. By installing multiple supporting mechanisms on the tray and installing two positioning mechanisms on four columns respectively, and arranging the two positioning mechanisms opposite to each other, the tray can support the angle head through multiple supporting mechanisms. This allows the two positioning mechanisms to cooperate in positioning and clamping the angle head, thereby improving the stability of the angle head. Consequently, the machine tool can not only grasp the angle head in one step through the corresponding programming program without adjusting the spindle direction, thus improving the machining efficiency of the machine tool, but also improve the accuracy of the angle head position, thereby improving the precision of subsequent machine tool machining.

Description

Technical Field

[0001] This utility model belongs to the field of machine tool accessories technology, specifically relating to an angle head placement device. Background Technology

[0002] In related technologies, with the increasing maturity of CNC gantry machining technology, angle head machining has become an indispensable machining method in the entire machining system; with the mature application of angle heads, various deep cavity parts and problems such as drilling and cleaning in narrow spaces are no longer bottlenecks in machining.

[0003] However, while the emergence of angle heads solved the problem of difficult processing at the workstation, it also presented the following issues: (1) Each time the angle head is installed, it needs to be manually operated to connect with the machine tool spindle, which reduces the efficiency of machine tool processing; (2) After the angle head is installed on the spindle, it is also necessary to straighten and align the positive and side generatrices of the angle head. Otherwise, it will affect the machining accuracy of the angle head and result in scrap.

[0004] Therefore, it is essential to design an angle head placement device that can solve the above problems. Utility Model Content

[0005] This utility model provides an angle head placement device, which employs multiple support mechanisms mounted on a pallet, and two positioning mechanisms respectively mounted on four columns, with the two positioning mechanisms arranged opposite each other. This allows the pallet to support the angle head through the multiple support mechanisms, enabling the two positioning mechanisms to cooperate in positioning and clamping the angle head, thereby improving the stability of the angle head. This not only allows the machine tool to grasp the angle head in one step through a corresponding programming program without adjusting the spindle direction, thus improving the machining efficiency of the machine tool, but also improves the accuracy of the angle head position, thereby enhancing the precision of subsequent machine tool processing. The specific technical solution is as follows: An angle head placement device includes: a base plate, columns, adjusting rods, positioning holes, positioning pins, support mechanisms, a tray, a first receiving groove, a supporting mechanism, and a positioning mechanism; the columns are hollow cavities with openings at both ends, and four columns are mounted on the base plate; the adjusting rods are hollow cavities with openings at both ends, and four adjusting rods are respectively embedded in the four columns; multiple positioning holes are disposed in the columns; positioning pins pass through the positioning holes and adjusting rods in sequence; four support mechanisms are respectively mounted on the tops of the four adjusting rods; the tray is simultaneously connected to the four support mechanisms; the first receiving groove is disposed in the tray; at least two supporting mechanisms are mounted on the tray, and at least two supporting mechanisms are located outside the first receiving groove; two positioning mechanisms are respectively mounted on the four columns, and the two positioning mechanisms are arranged opposite each other.

[0006] In addition, the angle head placement device in the above-mentioned technical solution provided by this utility model may also have the following additional technical features: In the above technical solution, the support mechanism includes: a support rod, a first connecting bolt, and a first spring; the bottom of the support rod is embedded in the adjusting rod, and the top of the support rod passes through the support plate; the first connecting bolt passes through the adjusting rod and the support rod in sequence; the first spring is fitted on the outside of the support rod, one end of the first spring is in contact with the adjusting rod, and the other end of the first spring is in contact with the bottom of the support plate.

[0007] In the above technical solution, the supporting mechanism includes: a mounting groove, a support ear, a second receiving groove, and a second spring; the mounting groove is disposed on the support plate; the support ear is embedded in the mounting groove; the second receiving groove is disposed at the bottom of the support ear; the second spring is embedded in the second receiving groove, and one end of the second spring is connected to the support ear, and the other end of the second spring is connected to the support plate.

[0008] In the above technical solution, the supporting mechanism further includes: a sliding groove and a slider; the two sliding grooves are respectively disposed on both sides of the mounting groove; the two sliders are respectively connected to both sides of the support lug, and the two sliders are respectively embedded in the two sliding grooves.

[0009] In the above technical solution, the positioning mechanism includes: a positioning plate, a threaded hole, and a positioning screw; the two ends of the positioning plate are respectively connected to two columns; the threaded hole is provided with an internal thread and is located inside the positioning plate; the outer wall of the positioning screw is provided with an external thread and the positioning screw passes through the threaded hole; wherein, the internal thread and the external thread are compatible.

[0010] In the above technical solution, the positioning mechanism further includes: a positioning head and a handwheel; the positioning head is located between the four columns and is connected to the positioning screw; the handwheel is located on the outside of the four columns and is connected to the positioning screw; wherein, the diameter of the positioning head is larger than the diameter of the positioning screw, and the diameter of the handwheel is larger than the diameter of the positioning screw.

[0011] In the above technical solution, the angle head placement device further includes: a mandrel, a second connecting bolt, and a fixing bolt; four mandrels are placed vertically on the base plate, and the four mandrels are respectively embedded in the four columns; at least four second connecting bolts pass through the four columns and the four mandrels in sequence; four fixing bolts pass through the base plate, and the four fixing bolts are respectively embedded in the four mandrels.

[0012] The advantages of this utility model's angle head placement device compared to existing technologies are as follows: 1. By embedding the adjusting rod into the column and setting multiple positioning holes within the column, and allowing positioning pins to pass sequentially through the positioning holes and the adjusting rod, the adjusting rod can move up and down within the column. This allows the positioning pins to fix the adjusting rod within the column and to insert into different positioning holes, thereby adjusting the height of the adjusting rod to accommodate angle heads of different heights, thus improving product applicability. By mounting multiple support mechanisms on the pallet and installing two positioning mechanisms on four columns respectively, with the two positioning mechanisms positioned opposite each other, the pallet can support the angle head through multiple support mechanisms. This allows the two positioning mechanisms to cooperate in positioning and clamping the angle head, improving its stability. This not only enables the machine tool to grasp the angle head in one step through the corresponding programming without adjusting the spindle direction, improving machining efficiency, but also improves the accuracy of the angle head position, thus enhancing the precision of subsequent machine tool processing.

[0013] 2. By passing the first connecting bolt through the adjusting rod and the support rod in sequence, the first connecting bolt fixes the support rod inside the adjusting rod, thereby improving the stability of the support rod. By fitting the first spring on the outside of the support rod, with one end of the first spring in contact with the adjusting rod and the other end in contact with the bottom of the pallet, the adjusting rod supports the pallet through the first spring, making the adjusting rod and the pallet elastically connected. This allows the first spring to buffer and absorb shock when the pallet supports the angle head through multiple supporting mechanisms, preventing impact accidents caused by excessive descent speed of the angle head and the pallet, thus improving the safety of product use.

[0014] 3. When the angle head is placed between multiple lugs, the angle head can press the lugs to move outward, thereby compressing the lugs against the second spring. The elastic restoring force of the second spring is used to clamp the angle head. Moreover, it allows flanges of angle heads with different diameters to be placed on multiple lugs to support the angle head, thereby improving the applicability of the product.

[0015] 4. By setting two sliding grooves on both sides of the mounting groove, connecting two sliders to both sides of the support lug, and embedding the two sliders into the two sliding grooves respectively, the support lug can move within the sliding grooves via the sliders, thereby preventing the support lug from shifting during movement and improving the stability of the support lug movement.

[0016] 5. By setting the threaded hole inside the positioning plate and passing the positioning screw through the threaded hole, the positioning screw is threadedly connected to the positioning plate. This allows the positioning screw to be turned to adjust its extension length, thereby enabling the positioning screw to contact the angle head and clamp the angle head with the two positioning screws.

[0017] 6. By positioning the positioning head between the four columns, connecting the positioning head to the positioning screw, and making the diameter of the positioning head larger than the diameter of the positioning screw, the positioning screw and the positioning head can rotate and move synchronously. This allows the positioning screw to fit against the angle head through the positioning head, increasing the contact area between the positioning screw and the angle head, thereby improving the stability of the positioning screw clamping the angle head.

[0018] 7. By placing four mandrels vertically on the base plate, embedding each mandrel into one of the four columns, and passing four second connecting bolts through the columns and mandrels in sequence, the mandrels support the columns and fix the columns to the outside of the mandrels, thereby improving the stability of the columns. Attached Figure Description

[0019] Figure 1 This is one of the perspective views of an angle head placement device according to the present invention; Figure 2 for Figure 1 Enlarged view of a portion at point A; Figure 3 for Figure 1 A magnified view of section B; Figure 4 This is a perspective view of the column of this utility model; in, Figures 1 to 4 The correspondence between the reference numerals and component names in the attached drawings is as follows: 10 Base plate, 11 Column, 12 Adjusting rod, 13 Positioning hole, 14 Positioning pin, 15 Support mechanism, 151 Support rod, 152 First connecting bolt, 16 Support plate, 17 First receiving groove, 18 Support mechanism, 181 Mounting groove, 182 Support lug, 183 Second receiving groove, 184 Slider, 19 Positioning mechanism, 191 Positioning plate, 192 Positioning screw, 193 Positioning head, 194 Handwheel, 20 Second connecting bolt. Detailed Implementation

[0020] The following are specific implementation cases and appendices. Figures 1 to 4 The present invention will be further described below, but the present invention is not limited to these embodiments.

[0021] An angle head placement device, such as Figures 1 to 4As shown, the angle head placement device includes: a base plate 10, columns 11, adjusting rods 12, positioning holes 13, positioning pins 14, support mechanisms 15, a tray 16, a first receiving groove 17, a supporting mechanism 18, and a positioning mechanism 19. The columns 11 are hollow cavities with openings at both ends, and four columns 11 are mounted on the base plate 10. The adjusting rods 12 are hollow cavities with openings at both ends, and four adjusting rods 12 are respectively embedded in the four columns 11. Multiple positioning holes 13 are provided within the columns 11. The positioning pins 14 pass through the positioning holes 13 and the adjusting rods 12 in sequence. Four support mechanisms 15 are respectively mounted on the tops of the four adjusting rods 12. The tray 16 is simultaneously connected to the four support mechanisms 15. The first receiving groove 17 is provided within the tray 16. At least two supporting mechanisms 18 are mounted on the tray 16, and at least two supporting mechanisms 18 are located outside the first receiving groove 17. Two positioning mechanisms 19 are respectively mounted on the four columns 11, and the two positioning mechanisms 19 are arranged opposite each other.

[0022] By installing four uprights 11 on the base plate 10 and embedding four adjusting rods 12 into the four uprights 11 respectively, the base plate 10 supports the four uprights 11, thereby allowing the adjusting rods 12 to move up and down within the uprights 11 and thus adjust the overall height of the adjusting rods 12 and the uprights 11. By setting multiple positioning holes 13 in the uprights 11 and allowing positioning pins 14 to pass through the positioning holes 13 and the adjusting rods 12 in sequence, the positioning pins 14 can fix the adjusting rods 12 in the uprights 11, thereby allowing the positioning pins 14 to be inserted into different positioning holes 13 to adjust the height of the adjusting rods 12. By installing four support mechanisms 15 on the tops of four adjusting rods 12 respectively, and connecting the tray 16 to the four support mechanisms 15 simultaneously, the adjusting rods 12 can support the tray 16 through the support mechanisms 15. This allows the height of the tray 16 to be adjusted by changing the length of the adjusting rods 12 embedded in the column 11, thus enabling the tray 16 to support heads of different lengths and improving product applicability. Furthermore, by setting the first receiving groove 17 inside the tray 16, multiple supporting mechanisms 18 are installed on the tray 16, and the multiple supporting mechanisms 18 are positioned... The angle head is positioned outside the first receiving groove 17 so that it can pass through the first receiving groove 17 and the spindle of the machine tool can pass through the first receiving groove 17. This allows multiple support mechanisms 18 to cooperate in supporting the angle head and improving its stability. By installing two positioning mechanisms 19 on four columns 11 respectively and setting the two positioning mechanisms 19 opposite to each other, the four columns 11 support the two positioning mechanisms 19. This allows the two positioning mechanisms 19 to cooperate in positioning the angle head placed on the multiple support mechanisms 18 and improving its stability.

[0023] When using the product, first install the base plate 10 in the corner of the machine tool's internal worktable; then pull out the positioning pin 14 and pull the adjusting rod 12 to adjust its height; when the adjusting rod 12 moves to the predetermined height, let the positioning pin 14 pass through the positioning hole 13 and the adjusting rod 12 in sequence to fix the adjusting rod 12 in the column 11; then, manually clamp the angle head on the machine tool spindle and straighten the positive and side generatrices of the angle head to make the angle head meet the clamping requirements; then, start the machine tool and let the machine tool spindle place the angle head on multiple support mechanisms 18; then, let the two positioning mechanisms 19 cooperate to clamp the angle head; then, let the machine tool spindle release the angle head and record the X, Y, and Z axis coordinate values ​​of the machine tool spindle; then, program the angle head grabbing program, the route is to first enter the four columns 11 through the first receiving groove 17, and then descend the Z axis to grab the angle head.

[0024] With the above structure, by embedding the adjusting rod 12 into the column 11, setting multiple positioning holes 13 in the column 11, and allowing the positioning pin 14 to pass through the positioning holes 13 and the adjusting rod 12 in sequence, the adjusting rod 12 can move up and down in the column 11. This allows the positioning pin 14 to fix the adjusting rod 12 in the column 11 and to insert the positioning pin 14 into different positioning holes 13, thereby adjusting the height of the adjusting rod 12 to adapt to angle heads of different heights and improve the applicability of the product. By installing multiple support mechanisms 18 on the pallet 16 and two positioning mechanisms 19 on the four columns 11 respectively, and setting the two positioning mechanisms 19 opposite to each other, the pallet 16 can support the angle head through the multiple support mechanisms 18, thereby enabling the two positioning mechanisms 19 to cooperate in positioning and clamping the angle head, thus improving the stability of the angle head. This not only allows the machine tool to grasp the angle head in one step through the corresponding programming program without adjusting the spindle direction, thereby improving the machining efficiency of the machine tool, but also improves the accuracy of the angle head position, thereby improving the precision of subsequent machine tool machining.

[0025] In embodiments of this utility model, such as Figures 1 to 4 As shown, the support mechanism 15 includes: a support rod 151, a first connecting bolt 152, and a first spring; the bottom of the support rod 151 is embedded in the adjusting rod 12, and the top of the support rod 151 passes through the support plate 16; the first connecting bolt 152 passes through the adjusting rod 12 and the support rod 151 in sequence; the first spring is fitted on the outside of the support rod 151, one end of the first spring is in contact with the adjusting rod 12, and the other end of the first spring is in contact with the bottom of the support plate 16.

[0026] By embedding the bottom of the support rod 151 into the adjusting rod 12 and allowing the top of the support rod 151 to pass through the support plate 16, the support rod 151 can move up and down within the adjusting rod 12, thereby allowing the support plate 16 to move up and down along the support rod 151. By passing the first connecting bolt 152 sequentially through the adjusting rod 12 and the support rod 151, the first connecting bolt 152 fixes the support rod 151 within the adjusting rod 12, thereby improving the stability of the support rod 151. By fitting the first spring onto the support rod 151... On the outside, one end of the first spring is attached to the adjusting rod 12, and the other end of the first spring is attached to the bottom of the support plate 16, so that the adjusting rod 12 supports the support plate 16 through the first spring, so that the adjusting rod 12 and the support plate 16 are elastically connected. Thus, when the support plate 16 supports the angle head through multiple supporting mechanisms 18, the first spring can buffer and shock absorb the support plate 16 to avoid impact accidents caused by the angle head and the support plate 16 falling too fast, thereby improving the safety of product use.

[0027] Specifically, the first spring is a high-strength spring, and when the angle head is stationary or the angle head descends at a speed that is not too fast, the first spring will not undergo elastic deformation.

[0028] In embodiments of this utility model, such as Figures 1 to 4 As shown, the support mechanism 18 includes: a mounting groove 181, a support lug 182, a second receiving groove 183, and a second spring; the mounting groove 181 is disposed on the support plate 16; the support lug 182 is embedded in the mounting groove 181; the second receiving groove 183 is disposed at the bottom of the support lug 182; the second spring is embedded in the second receiving groove 183, and one end of the second spring is connected to the support lug 182, and the other end of the second spring is connected to the support plate 16.

[0029] By setting the mounting groove 181 on the support plate 16 and embedding the lug 182 into the mounting groove 181, the lug 182 can move within the mounting groove 181, thereby enabling the lug 182 to support the angle head. By setting the second receiving groove 183 at the bottom of the lug 182, connecting one end of the second spring to the lug 182, and connecting the other end of the second spring to the support plate 16, the second spring can be hidden within the second receiving groove 183, thereby enabling the support plate 16 to support the lug 182 through the second spring.

[0030] With the above structure, when the angle head is placed between multiple lugs 182, the angle head can press the lugs 182 to move outward, thereby compressing the second spring and using the elastic restoring force of the second spring to clamp the angle head; moreover, it can also place angle head flanges of different diameters on multiple lugs 182 to support the angle head, thereby improving the applicability of the product.

[0031] In embodiments of this utility model, such as Figures 1 to 4 As shown, the support mechanism 18 also includes: a sliding groove and a slider 184; the two sliding grooves are respectively disposed on both sides of the mounting groove 181; the two sliders 184 are respectively connected to both sides of the support lug 182, and the two sliders 184 are respectively embedded in the two sliding grooves.

[0032] By setting two sliding grooves on both sides of the mounting groove 181, connecting two sliders 184 to both sides of the support ear 182 respectively, and embedding the two sliders 184 into the two sliding grooves respectively, the support ear 182 can move in the sliding grooves through the sliders 184, thereby preventing the support ear 182 from shifting during movement and improving the stability of the movement of the support ear 182.

[0033] In embodiments of this utility model, such as Figures 1 to 4 As shown, the positioning mechanism 19 includes: a positioning plate 191, a threaded hole, and a positioning screw 192; both ends of the positioning plate 191 are connected to two columns 11 respectively; the threaded hole is provided with an internal thread and is located inside the positioning plate 191; the outer wall of the positioning screw 192 is provided with an external thread and the positioning screw 192 passes through the threaded hole; wherein, the internal thread and the external thread are adapted to each other.

[0034] By connecting the two ends of the positioning plate 191 to the two columns 11 respectively, the two columns 11 cooperate to support the positioning plate 191, thereby improving the stability of the positioning plate 191. By setting the threaded hole in the positioning plate 191 and letting the positioning screw 192 pass through the threaded hole, the positioning screw 192 is threadedly connected to the positioning plate 191, thereby turning the positioning screw 192 to adjust the extension length of the positioning screw 192, so that the positioning screw 192 can contact the angle head, so that the two positioning screws 192 can clamp the angle head.

[0035] In embodiments of this utility model, such as Figures 1 to 4 As shown, the positioning mechanism 19 further includes: a positioning head 193 and a handwheel 194; the positioning head 193 is located between the four columns 11 and is connected to the positioning screw 192; the handwheel 194 is located on the outside of the four columns 11 and is connected to the positioning screw 192; wherein, the diameter of the positioning head 193 is larger than the diameter of the positioning screw 192, and the diameter of the handwheel 194 is larger than the diameter of the positioning screw 192.

[0036] By positioning the positioning head 193 between the four posts 11 and connecting it to the positioning screw 192, with the diameter of the positioning head 193 being larger than the diameter of the positioning screw 192, the positioning screw 192 and the positioning head 193 can rotate and move synchronously. This allows the positioning screw 192 to engage with the angle head through the positioning head 193, increasing the contact area between the positioning screw 192 and the angle head, thereby improving the stability of the positioning screw 192 clamping the angle head. By positioning the handwheel 194 on the outside of the four posts 11 and connecting it to the positioning screw 192, with the diameter of the handwheel 194 being larger than the diameter of the positioning screw 192, the handwheel 194 and the positioning screw 192 can rotate and move synchronously. This allows the operator to drive the positioning screw 192 to rotate using the handwheel 194, reducing the difficulty of turning the positioning screw 192 and improving the user experience.

[0037] In embodiments of this utility model, such as Figures 1 to 4 As shown, the angle head placement device also includes: a mandrel, a second connecting bolt 20 and a fixing bolt; four mandrels are placed vertically on the base plate 10, and the four mandrels are respectively embedded in the four columns 11; at least four second connecting bolts 20 pass through the four columns 11 and the four mandrels in sequence; four fixing bolts pass through the base plate 10, and the four fixing bolts are respectively embedded in the four mandrels.

[0038] By placing four mandrels vertically on the base plate 10, embedding them into the four columns 11 respectively, and passing four second connecting bolts 20 through the columns 11 and the mandrels in sequence, the mandrels support the columns 11 and fix the columns 11 to the outside of the mandrels, thereby improving the stability of the columns 11; by passing four fixing bolts through the base plate 10 and embedding them into the four mandrels respectively, the fixing bolts fix the mandrels to the base plate 10, thereby improving the stability of the mandrels.

[0039] In the description of this utility model, the term "multiple" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0040] In the description of this utility model, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this utility model, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0041] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An angle head placement device, characterized in that, The angle head placement device includes: Base plate; The column is a hollow cavity with openings at both the top and bottom ends, and four columns are installed on the base plate; The adjusting rod is a hollow cavity with openings at both the top and bottom ends, and the four adjusting rods are respectively embedded in the four columns; Positioning holes, a plurality of the positioning holes being disposed within the column; A positioning pin, which passes sequentially through the positioning hole and the adjusting rod; Support mechanisms, the four support mechanisms are respectively mounted on the top of the four adjusting rods; A tray, which is simultaneously connected to four of the aforementioned support mechanisms; A first receiving groove is disposed within the tray; A support mechanism, at least two of which are mounted on the pallet, and at least two of which are located outside the first receiving groove; The positioning mechanism is provided, with two positioning mechanisms respectively installed on the four columns and the two positioning mechanisms arranged opposite to each other.

2. The angle head placement device according to claim 1, characterized in that, The supporting structure includes: A support rod, the bottom of which is embedded in the adjusting rod, and the top of which passes through the support plate; The first connecting bolt passes sequentially through the adjusting rod and the support rod; A first spring is fitted on the outside of the support rod, with one end of the first spring in contact with the adjusting rod and the other end of the first spring in contact with the bottom of the support plate.

3. The angle head placement device according to claim 2, characterized in that, The supporting institution includes: The mounting slot is provided on the tray; A lug, wherein the lug is embedded in the mounting groove; The second receiving groove is disposed at the bottom of the support lug; The second spring is embedded in the second receiving groove, and one end of the second spring is connected to the support lug, and the other end of the second spring is connected to the support plate.

4. The angle head placement device according to claim 3, characterized in that, The supporting institution also includes: The two sliding grooves are respectively disposed on both sides of the mounting groove; The two sliders are respectively connected to the two sides of the support lug, and the two sliders are respectively embedded in the two grooves.

5. The angle head placement device according to claim 1, characterized in that, The positioning mechanism includes: A positioning plate, the two ends of which are respectively connected to the two columns; A threaded hole, wherein an internal thread is provided in the threaded hole, and the threaded hole is located inside the positioning plate; A positioning screw, wherein the outer wall of the positioning screw is provided with an external thread, and the positioning screw passes through the threaded hole; The internal thread is adapted to the external thread.

6. The angle head placement device according to claim 5, characterized in that, The positioning mechanism also includes: A positioning head is located between the four columns and is connected to the positioning screw. A handwheel, located on the outside of the four columns, is connected to the positioning screw; The diameter of the positioning head is greater than the diameter of the positioning screw, and the diameter of the handwheel is greater than the diameter of the positioning screw.

7. The angle head placement device according to claim 1, characterized in that, The angle head placement device also includes: The mandrels are placed vertically on the base plate and are respectively embedded in the four columns; The second connecting bolt, at least four of the second connecting bolts, respectively pass through the four columns and the four spindles in sequence; Four fixing bolts pass through the base plate and are respectively embedded in the four mandrels.

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