Multi-workpiece drilling synchronous machining clamp based on milling machine machining

Abstract

The utility model belongs to the technical field of ball pin machining clamps, and particularly relates to a multi-workpiece drilling synchronous machining clamp based on milling machine machining, a workpiece comprises a ball head part and a ball rod part, the clamp comprises a base, a correcting mechanism and a clamping mechanism, the base is installed on a milling machine and provided with a plurality of installation cavities matched with the ball head part, and the ball rod part is installed in the installation cavities. Mounting cavities are formed in the base, through holes allowing the ball rod parts to penetrate through are formed in the side walls of the mounting cavities, the correcting mechanism is mounted in the base and used for correcting the positions of the ball head parts, the clamping mechanism is mounted on the side face, located on one side of the through holes, of the base and used for clamping and fixing the ball rod parts, and the mounting cavities are formed at equal intervals; the position of the ball head part is corrected by arranging the correcting mechanism, and then the ball rod part is clamped and fixed through the clamping mechanism, so that the horizontal state of the ball rod part during drilling is effectively guaranteed, the drilling precision is improved, and the drilling quality is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of ball pin processing fixtures, and particularly relates to a multi-workpiece drilling synchronous processing fixture based on milling machine processing. Background Technique

[0002] The ball pin is an important connecting part in the automobile steering system, mainly used for the hinge of the steering mechanism and the suspension. The ball pin includes a ball head part and a ball rod part. Usually, in order to make a connection, some ball pins need to be drilled in the ball rod part for pin insertion connection.

[0003] Traditional drilling equipment (such as a ball pin processing automatic production line device disclosed in Chinese Patent Application No. CN202120836310.2) includes a base and a moving plate moving on the base, and a first clamping plate and a moving second clamping plate are arranged on the moving plate to clamp the ball pin. However, it only clamps the ball head, and there is still a gap between the ball rod part and the inner wall of the round hole after the ball rod part extends into the fixing plate, and it contacts through a compressible rubber pad. This makes it easy to cause the ball rod part not to be in a horizontal state when drilling, thereby affecting the drilling effect and needing to be improved. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a multi-workpiece drilling synchronous processing fixture based on milling machine processing for the above-mentioned existing technical problems, achieving the effect of improving the clamping position accuracy when drilling the ball pin.

[0005] In view of this, the utility model provides a multi-workpiece drilling synchronous processing fixture based on milling machine processing. The workpiece includes a ball head part and a ball rod part. The fixture includes:

[0006] A base, installed on the milling machine, and provided with a plurality of installation cavities adapted to the ball head part, and through holes through which the ball rod part passes are opened on the side walls of the installation cavities;

[0007] A calibration mechanism, installed in the base and used for calibrating the position of the ball head part;

[0008] A clamping mechanism, installed on the side of the base on one side of the through hole and used for clamping and fixing the ball rod part;

[0009] Among them, the plurality of installation cavities are arranged at equal intervals.

[0010] In the above technical solution, further, the calibration mechanism includes:

[0011] An upper clamping block, slidably installed in the installation cavity;

[0012] A lower clamping block, slidably installed in the installation cavity and symmetrically arranged with the upper clamping block with respect to the center of the circle of the through hole;

[0013] The driving member is installed inside the base and is used to drive the upper clamping block and the lower clamping block to approach or move away from each other synchronously.

[0014] In the above technical solution, further, the driving member includes:

[0015] A threaded rod is installed inside the base, located between two adjacent installation cavities, and extends out of the base and is provided with a knob;

[0016] A threaded block is sleeved on the threaded rod and is threadedly connected to the threaded rod;

[0017] Among them, there are two threaded blocks, which are respectively connected to the upper clamping block and the lower clamping block.

[0018] In the above technical solution, further:

[0019] A chute for installing the threaded rod is opened on the base. The threaded rod includes a first threaded section and a second threaded section. The two threaded blocks are respectively threadedly connected to the first threaded section and the second threaded section, and are slidably connected to the chute.

[0020] In the above technical solution, further:

[0021] A first groove adapted to the surface of the ball head is opened on the surface of the upper clamping block close to the lower clamping block;

[0022] A second groove adapted to the surface of the ball head is opened on the surface of the lower clamping block close to the upper clamping block.

[0023] In the above technical solution, further:

[0024] A placing opening is opened on the side wall of the installation cavity far from the through hole, and the placing opening is coaxially arranged with the through hole and is adapted to the ball head.

[0025] In the above technical solution, further, the clamping mechanism includes:

[0026] A supporting part is installed on the side surface of the base close to the through hole;

[0027] A clamping plate is installed above the supporting part, and round holes are opened at both ends;

[0028] Guide posts are installed on the supporting part, and there are two of them, which are respectively slidably adapted to the round holes at both ends of the clamping plate;

[0029] A spring is sleeved on the guide post, and both ends of the spring are respectively abutted against the supporting part and the clamping plate;

[0030] A pushing member is installed on the side surface of the base, located above the clamping plate, and is used to push the clamping plate and the supporting part to clamp the cue rod part;

[0031] Wherein, on one side of the clamping plate close to the supporting part, a first arc surface adapted to the cue rod part is provided, on one side of the supporting part close to the clamping plate, a second arc surface adapted to the cue rod part is provided, and the second arc surface is flush with the inner wall of the through hole.

[0032] In the above technical solution, further, the pushing member includes:

[0033] A cylinder block, installed on the side of the base close to the through hole, and a sliding hole is provided on the side close to the clamping plate, and an inlet and an outlet are respectively provided at both ends;

[0034] A piston, slidably connected in the sliding hole and slidably sealed with the inner wall of the sliding hole;

[0035] A power source, connected to the inlet and the outlet, and used to convey a fluid medium or the return flow of the fluid medium into the cylinder block.

[0036] The beneficial effects of the present utility model are:

[0037] 1. By setting a calibration mechanism to calibrate the position of the ball head, and then clamping and fixing the cue rod part through a clamping mechanism, the horizontal state of the cue rod part during drilling can be effectively guaranteed, the drilling accuracy can be improved, and the drilling quality can be ensured.

[0038] 2. By using the synchronous mutual approach of the upper clamping block and the lower clamping block to clamp the ball head, the center of the ball of the ball head and the center of the through hole are in a horizontal state. After the clamping mechanism clamps the cue rod part, it can ensure that the cue rod part is also in a horizontal state, thereby effectively ensuring the drilling accuracy and the drilling quality.

[0039] 3. By providing a first groove adapted to the surface of the ball head on the upper clamping block and a second groove adapted to the surface of the ball head on the lower clamping block, the ball head can be calibrated in multiple directions, so that the axis of the ball head coincides with the center of the round hole, further ensuring that the cue rod part is parallelly arranged in the vertical direction, and further ensuring the drilling accuracy and quality. Description of the Drawings

[0040] Figure 1 is a schematic structural diagram of the present utility model;

[0041] Figure 2 is a top view of the present utility model;

[0042] Figure 3 is the present utility model Figure 2 The cross-sectional view at A-A in;

[0043] Figure 4 is the present utility model Figure 2 The cross-sectional view at B-B in;

[0044] Figure 5is the present utility model Figure 2 A cross-sectional view taken along line C-C in the figure;

[0045] The markings in the figure are as follows: 1, base; 2, installation cavity; 3, through hole; 4, calibration mechanism; 40, upper clamping block; 41, lower clamping block; 42, driving member; 420, threaded rod; 421, knob; 422, threaded block; 43, sliding groove; 44, first groove; 45, second groove; 5, clamping mechanism; 50, supporting portion; 51, clamping plate; 52, round hole; 53, guiding column; 54, spring; 55, pushing member; 550, cylinder block; 551, sliding hole; 552, inlet; 553, outlet; 554, piston; 56, first arc surface; 57, second arc surface; 6, insertion opening; 100, spherical head portion; 101, spherical rod portion. Specific embodiments

[0046] Next, the technical solutions in the embodiments of the present application will be clearly described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope protected by the present application.

[0047] Embodiment 1:

[0048] This embodiment provides a multi-workpiece drilling synchronous machining fixture based on milling machine machining. The workpiece includes a spherical head portion 100 and a spherical rod portion 101. The fixture includes:

[0049] A base 1, which is installed on the milling machine and is provided with a plurality of installation cavities 2 adapted to the spherical head portion 100, and through holes 3 through which the spherical rod portion 101 passes are provided on the side walls of the installation cavities 2;

[0050] A calibration mechanism 4, which is installed in the base 1 and is used to calibrate the position of the spherical head portion 100;

[0051] A clamping mechanism 5, which is installed on the side of the base 1 on one side of the through hole 3 and is used to clamp and fix the spherical rod portion 101;

[0052] Among them, the plurality of installation cavities 2 are arranged at equal intervals;

[0053] It can be seen from this embodiment that by setting the calibration mechanism 4 to calibrate the position of the spherical head portion 100, and then clamping and fixing the spherical rod portion 101 through the clamping mechanism, the horizontal state of the spherical rod portion 101 during drilling can be effectively guaranteed, the drilling accuracy can be improved, and the drilling quality can be ensured;

[0054] By equidistantly arranging a plurality of installation cavities 2, it is convenient to position when the milling cutter head moves, effectively improving the machining accuracy of drilling for a plurality of ball pins. Moreover, the drilling processes of a plurality of ball pins are synchronously processed, effectively improving the work efficiency.

[0055] Embodiment 2:

[0056] This embodiment provides a multi-workpiece drilling synchronous machining fixture based on milling machine machining. In addition to including the technical solutions of the above embodiment, it also has the following technical features. The correction mechanism 4 includes:

[0057] The upper clamping block 40 is slidably installed in the installation cavity 2;

[0058] The lower clamping block 41 is slidably installed in the installation cavity 2 and is symmetrically arranged with respect to the center of the through hole 3 with the upper clamping block 40;

[0059] The driving member 42 is installed in the base 1 and is used to drive the upper clamping block 40 and the lower clamping block 41 to synchronously approach or move away from each other.

[0060] It can be seen from this embodiment that by synchronously approaching the upper clamping block 40 and the lower clamping block 41 to clamp the ball head portion 100, and the lower clamping block 41 is symmetrically arranged with respect to the center of the through hole 3 with the upper clamping block 40, so that the center of the ball of the ball head portion 100 and the center of the through hole 3 are in a horizontal state. Furthermore, after the clamping mechanism 5 clamps the ball rod portion 101, it can ensure that the ball rod portion 101 is also in a horizontal state, thereby effectively ensuring the drilling accuracy and the drilling quality.

[0061] Embodiment 3:

[0062] This embodiment provides a multi-workpiece drilling synchronous machining fixture based on milling machine machining. In addition to including the technical solutions of the above embodiment, it also has the following technical features. The driving member 42 includes:

[0063] The threaded rod 420 is installed in the base 1 and is located between two adjacent installation cavities 2, and extends out of the base 1 and is provided with a knob 421;

[0064] The threaded block 422 is sleeved on the threaded rod 420 and is threadedly connected to the threaded rod 420;

[0065] Among them, there are two threaded blocks 422, which are respectively connected to the upper clamping block 40 and the lower clamping block 41;

[0066] At the same time, the threaded rod 420 and the base 1 can be connected by a bearing, and a detachable mounting block is installed on the top of the base 1, and the mounting block is connected to the threaded rod 420 by a bearing and bolted to the base 1 for easy installation and disassembly.

[0067] It can be seen from this embodiment that by using the threaded rod 420 and the threaded block 422 to drive the upper clamping block 40 and the lower clamping block 41 to move and adjusting through the manual knob 421, it is convenient to control, and has the effects of simple structure and convenient operation;

[0068] And in this embodiment, two threaded rods 420 can be used, which respectively correspond to two threaded blocks 422, and the knobs 421 corresponding to the two threaded rods 420 can be linked, and the specific linkage can adopt gear meshing.

[0069] Embodiment 4:

[0070] This embodiment provides a multi-workpiece drilling synchronous machining fixture based on milling machine machining. In addition to including the technical solutions of the above embodiments, it also has the following technical features:

[0071] A chute 43 for installing the threaded rod 420 is opened on the base 1, and the threaded rod 420 includes a first threaded section and a second threaded section. The two threaded blocks 422 are respectively threadedly connected to the first threaded section and the second threaded section, and are slidably connected to the chute 43;

[0072] Among them, the first threaded section and the second threaded section can adopt an integral structure, that is, external threads with opposite machining directions are respectively machined at both ends during machining.

[0073] It can be seen from this embodiment that by using a single threaded rod 420, compared with Embodiment 3, it has the effect of further simplifying the structure, and by using two external threads with opposite machining directions on the threaded rod 420, it can effectively ensure that the upper clamping block 40 and the lower clamping block 41 approach or move away from each other synchronously, and ensure the accuracy of the position adjustment of the ball head 100.

[0074] Embodiment 5:

[0075] This embodiment provides a multi-workpiece drilling synchronous machining fixture based on milling machine machining. In addition to including the technical solutions of the above embodiments, it also has the following technical features:

[0076] A first groove 44 adapted to the surface of the ball head 100 is opened on the surface of the upper clamping block 40 close to the lower clamping block 41;

[0077] A second groove 45 adapted to the surface of the ball head 100 is opened on the surface of the lower clamping block 41 close to the upper clamping block 40.

[0078] As can be seen from this embodiment, by providing a first groove 44 on the upper clamping block 40 that fits the surface of the ball head 100 and a second groove 45 on the lower clamping block 41 that fits the surface of the ball head 100, the ball head 100 can be corrected in multiple directions, such that the axis of the ball head 100 coincides with the center of the circular hole 52. Further, it is ensured that in the vertical direction, the ball rod portion 101 is arranged in parallel, further ensuring the drilling accuracy and quality.

[0079] Embodiment 6:

[0080] This embodiment provides a multi-workpiece drilling synchronous machining fixture based on milling machine machining. In addition to including the technical solutions of the above embodiments, it also has the following technical features:

[0081] An insertion port 6 is provided on the side wall of the installation cavity 2 away from the through hole 3, and the insertion port 6 is coaxially arranged with the through hole 3 and is adapted to the ball head 100.

[0082] As can be seen from this embodiment, by providing the insertion port 6, it is convenient to insert the ball pin with the ball rod portion 101 as the head through the insertion port 6, and the ball rod portion 101 passes through the through hole 3, effectively improving the convenience of loading.

[0083] Embodiment 7:

[0084] This embodiment provides a multi-workpiece drilling synchronous machining fixture based on milling machine machining. In addition to including the technical solutions of the above embodiments, it also has the following technical features. The clamping mechanism 5 includes:

[0085] A support portion 50, installed on the side surface of the base 1 close to the through hole 3;

[0086] A clamping plate 51, installed above the support portion 50, and circular holes 52 are provided at both ends;

[0087] Guide columns 53, installed on the support portion 50, and there are two of them, and they are respectively slidably adapted to the circular holes 52 at both ends of the clamping plate 51;

[0088] A spring 54, sleeved on the guide column 53, and its two ends are respectively abutted against the support portion 50 and the clamping plate 51;

[0089] A pushing member 55, installed on the side surface of the base 1 and located above the clamping plate 51, and used to push the clamping plate 51 and the support portion 50 to clamp the ball rod portion 101;

[0090] Among them, a first arc surface 56 adapted to the ball rod portion 101 is provided on the surface of the clamping plate 51 close to the support portion 50, and a second arc surface 57 adapted to the ball rod portion 101 is provided on the surface of the support portion 50 close to the clamping plate 51, and the second arc surface 57 is flush with the inner wall of the through hole 3;

[0091] Meanwhile, an integral structure can be adopted between the supporting part 50 and the base 1, and an interference fit is adopted between the guide post 53 and the base 1. Specifically, a jack for interference-fitting with the guide post 53 is provided on the base 1.

[0092] It can be seen from this embodiment that by using the supporting part 50 and the clamping plate 51 for the clamping mechanism 5, the clamping of the cue rod part 101 can be effectively ensured and kept in a horizontal state. The provision of the first arc surface 56 and the second arc surface 57 can further ensure that the cue rod part 101 coincides with the axis of the through hole 3 in the horizontal direction, further ensuring the accuracy of the drilling process and the drilling quality.

[0093] Meanwhile, the setting of the guide post 53 can improve the stability of the downward pressure of the clamping plate 51, and the spring 54 facilitates the lifting of the clamping plate 51 after the pushing member 55 is released, facilitating the removal of the ball pin after the drilling is completed.

[0094] Embodiment 8:

[0095] This embodiment provides a multi-workpiece drilling synchronous processing fixture based on milling machine processing. In addition to including the technical solutions of the above embodiment, it also has the following technical features. The pushing member 55 includes:

[0096] A cylinder block 550 is installed on the side of the base 1 close to the through hole 3, and a sliding hole 551 is provided on the side close to the clamping plate 51, and an inlet 552 and an outlet 553 are respectively provided at both ends.

[0097] A piston 554 is slidably connected in the sliding hole 551 and is slidably sealed with the inner wall of the sliding hole 551.

[0098] A power source is connected to the inlet 552 and the outlet 553 and is used to convey a fluid medium or the return flow of the fluid medium into the cylinder block 550.

[0099] Among them, the power source can adopt pneumatic or hydraulic, and the cylinder block 550 and the base 1 can be fixedly connected by bolts, and a sealing ring is embedded at the connection, and connection heads are provided at both ends of the inlet 552 and the outlet 553.

[0100] It can be seen from this embodiment that by adopting pneumatic or hydraulic pressure to enter the cylinder block 550 and pushing the piston 554 to extend after pressurization, and at the same time pushing the clamping plate 51 to clamp the cue rod part 101, the clamping stability of the ball pin can be effectively ensured, and the clamping reaction is fast, the efficiency is high, and it can be controlled by a button, effectively improving the convenience of clamping and releasing the clamping and the drilling efficiency.

[0101] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above specific implementation manners. The above specific implementation manners are merely illustrative rather than restrictive. Those of ordinary skill in the art, under the inspiration of the present application and without departing from the purpose of the present application and the scope protected by the claims, can also make many forms, all of which fall within the protection scope of the present application.

Claims

1. A multi-workpiece drilling synchronous machining fixture based on milling machine machining, the workpiece comprising a ball head portion (100) and a ball rod portion (101), characterized in that, The fixture includes: A base (1), which is installed on a milling machine and is provided with a plurality of installation cavities (2) adapted to the ball head (100), and through holes (3) through which the ball rod portion (101) passes are provided on the side walls of the installation cavities (2); A calibration mechanism (4), which is installed in the base (1) and is used for calibrating the position of the ball head (100); A clamping mechanism (5), which is installed on the side of the base (1) on one side of the through hole (3) and is used for clamping and fixing the ball rod portion (101); Among them, the plurality of installation cavities (2) are arranged at equal intervals.

2. The multi-workpiece drilling synchronous machining fixture based on milling machine machining according to claim 1, wherein, The calibration mechanism (4) includes: An upper clamping block (40), which is slidably installed in the installation cavity (2); A lower clamping block (41), which is slidably installed in the installation cavity (2) and is symmetrically arranged with the upper clamping block (40) with respect to the center of the circle of the through hole (3); A driving member (42), which is installed in the base (1) and is used for driving the upper clamping block (40) and the lower clamping block (41) to approach or move away from each other synchronously.

3. The multi-workpiece drilling synchronous machining fixture based on milling machine machining according to claim 2, wherein The driving member (42) includes: A threaded rod (420), which is installed in the base (1) and is located between two adjacent installation cavities (2), and extends out of the base (1) and is provided with a knob (421); A threaded block (422), which is sleeved on the threaded rod (420) and is threadedly connected to the threaded rod (420); Among them, two threaded blocks (422) are provided and are respectively connected to the upper clamping block (40) and the lower clamping block (41).

4. The multi-workpiece drilling synchronous machining fixture based on a milling machine according to claim 3, wherein: A chute (43) for installing the threaded rod (420) is provided on the base (1), and the threaded rod (420) includes a first threaded section and a second threaded section. The two threaded blocks (422) are respectively threadedly connected to the first threaded section and the second threaded section, and are slidably connected to the chute (43).

5. The multi-workpiece drilling synchronous machining fixture based on a milling machine according to claim 2, wherein: A first groove (44) adapted to the surface of the ball head (100) is provided on the surface of the upper clamping block (40) close to the lower clamping block (41); A second groove (45) adapted to the surface of the ball head (100) is provided on the surface of the lower clamping block (41) close to the upper clamping block (40).

6. The multi-workpiece drilling synchronous machining fixture based on a milling machine according to claim 1, wherein: An insertion port (6) is provided on the side wall of the installation cavity (2) far from the through hole (3), and the insertion port (6) is coaxially arranged with the through hole (3) and is adapted to the ball head (100).

7. The multi-workpiece drilling synchronous machining fixture based on milling machine machining according to claim 1, wherein, The clamping mechanism (5) includes: A support portion (50), which is installed on the side of the base (1) close to one side of the through hole (3); A clamping plate (51), which is installed above the support portion (50) and is provided with round holes (52) at both ends; Guide columns (53), which are installed on the support portion (50) and are provided with two, and are respectively slidably adapted to the round holes (52) at both ends of the clamping plate (51); A spring (54), which is sleeved on the guide columns (53) and the two ends of which are respectively abutted against the support portion (50) and the clamping plate (51); The pusher (55) is installed on the side of the base (1), above the clamping plate (51), and is used to push the clamping plate (51) and the support part (50) to clamp the cue rod part (101). Wherein, a first arc surface (56) adapted to the cue rod part (101) is formed on the surface of the clamping plate (51) close to the support part (50), a second arc surface (57) adapted to the cue rod part (101) is formed on the surface of the support part (50) close to the clamping plate (51), and the second arc surface (57) is flush with the inner wall of the through hole (3).

8. The multi-workpiece drilling synchronous machining fixture based on milling machine machining according to claim 7, characterized in that, The pusher (55) includes: A cylinder block (550) is installed on the side of the base (1) close to the through hole (3), a sliding hole (551) is formed on the side close to the clamping plate (51), and an inlet (552) and an outlet (553) are respectively formed at both ends; A piston (554) is slidably connected in the sliding hole (551) and is slidably sealed with the inner wall of the sliding hole (551); A power source is connected to the inlet (552) and the outlet (553) and is used to convey a fluid medium or the return flow of the fluid medium into the cylinder block (550).

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