Eight-shaft automatic tapping equipment

Abstract

The utility model relates to the technical field of hardware product tapping, in particular to eight-shaft automatic tapping equipment which comprises a machine frame and a plurality of single-shaft tapping modules used for conducting tapping hole machining on products, at least two jigs are arranged on the machine frame, and every two adjacent jigs are staggered. The jig comprises a product clamp base and a clamping driver. The product clamp base is provided with a fixed clamping block and a movable clamping block. The fixed clamping block and the movable clamping block are each provided with a plurality of tapping positioning channels. The multiple single-shaft tapping modules are fixed to the rack and arranged along the axes of the multiple tapping positioning channels correspondingly. A product is fixed to the product clamp base through the clamping driver, the movable clamping block and the fixed clamping block, the multiple single-shaft tapping modules are started at the same time, and the multiple single-shaft tapping modules conduct tapping hole machining on the product through the tapping positioning channel. The tapping hole machining time is saved, the tapping hole machining efficiency is improved, and the situation of missing machining of the tapping hole is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of tapping of hardware products, in particular to an eight-axis automatic tapping device. Background Art

[0002] For the angle iron made of stainless steel for connection, there are two M3 tapped holes on each of the two vertical surfaces, the pitch of the thread is 0.5 mm, and the thickness of the material is 1.5 mm. After the product is stamped and formed, the tapping positioning channel is 2.75 mm. The tapping is carried out by using an extrusion tap, and the left and right parts of the product are symmetrical. When using a CNC device for tapping, the angle iron product is clamped and fixed on the fixture with the A surface facing up, 10 products are placed symmetrically at a time, and after 20 tapped holes are processed one by one, then these 10 products are clamped and fixed on the fixture with the B surface facing up and symmetrically arranged, and 20 tapped holes on the B surface are completed one by one.

[0003] For such products with small size, multiple surfaces and multiple tapped holes, when using a CNC device to tap one by one, it needs to be clamped twice. It takes 10 seconds to process one tapped hole. For two surfaces and four tapped holes, it takes 60 seconds, with low efficiency and extremely easy to miss the processing of tapped holes. Therefore, it is necessary to make improvements. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an eight-axis automatic tapping device aiming at the deficiencies of the prior art. The product is fixed on the product fixture base by driving the movable clamping block close to the fixed clamping block through a clamping driver, the position of the product and the tapping positioning channel is adjusted, and at the same time, multiple single-axis tapping modules are started. The multiple single-axis tapping modules carry out tapping hole processing on the product through the tapping positioning channel. After the processing is completed, the product is released by driving the movable clamping block away from the fixed clamping block through the clamping driver, completing the processing of multiple tapped holes on the product, saving the tapping hole processing time, improving the tapping hole processing efficiency, and avoiding the situation of missing the processing of tapped holes.

[0005] To achieve the above purpose, an eight-axis automatic tapping device of the utility model includes a frame and multiple single-axis tapping modules for carrying out tapping hole processing on the product,

[0006] At least two fixtures for fixing the product are arranged on the frame, and two adjacent fixtures are offset;

[0007] The fixture includes a product fixture base and a clamping driver. The product fixture base is provided with a fixed clamping block and a movable clamping block, and the clamping driver drives the movable clamping block to approach or move away from the fixed clamping block;

[0008] Both the fixed clamping block and the movable clamping block are provided with tapping positioning channels, the number of the tapping positioning channels is multiple, and the multiple tapping positioning channels are offset;

[0009] A plurality of single-axis tapping modules are fixed to the frame and are respectively arranged along the axes of the plurality of tapping positioning channels.

[0010] Preferably, the single-axis tapping module includes a module base, a pitch lead screw, a squeezing tap, and a tapping driver.

[0011] The module base is provided with an adjustment cavity, a sliding block, and a fixed block. The sliding block is slidably arranged in the adjustment cavity, and the fixed block is fixedly arranged in the adjustment cavity.

[0012] The pitch lead screw is arranged in the adjustment cavity. One end of the pitch lead screw is rotatably connected to the sliding block, and the other end of the pitch lead screw is threadedly connected to the fixed block and extends outside the adjustment cavity.

[0013] The squeezing tap is fixed to one end of the pitch lead screw extending outside the adjustment cavity.

[0014] The tapping driver is fixed to one end of the module base and is used to drive the pitch lead screw to rotate.

[0015] Preferably, an adjustment chute is arranged in the adjustment cavity, and the sliding block is slidably connected to the adjustment chute.

[0016] Limit holes are arranged in the adjustment chute.

[0017] Preferably, the module base is provided with a lubrication mechanism. The lubrication mechanism includes an oil distributor and an oil guide pipe.

[0018] The oil distributor is fixed to one side of the adjustment cavity and is connected to one end of the oil guide pipe.

[0019] The other end of the oil guide pipe is arranged on one side of the squeezing tap.

[0020] Preferably, an installation groove is arranged on one side of the module base, and the oil distributor is fixed in the installation groove.

[0021] Preferably, the module base is provided with a coupling, and the tapping driver is connected to the pitch lead screw through the coupling.

[0022] The fixed block is provided with a lead screw nut, and the fixed block is threadedly connected to the pitch lead screw through the lead screw nut.

[0023] Preferably, the pitch lead screw is provided with a first limiting portion, and the first limiting portion is sleeved on the surface of the pitch lead screw.

[0024] Preferably, the squeezing tap includes a connecting portion, a second limiting portion, and a squeezing portion.

[0025] The connecting part is connected to one end of the pitch screw rod extending outside the adjustment cavity;

[0026] The second limiting part is sleeved on the surface of the connecting part;

[0027] The tooth squeezing part is fixed to one end of the connecting part away from the extension of the pitch screw rod.

[0028] Preferably, the fixed clamp block is provided with a fixed surface in contact with the product, and the tapping positioning channel penetrates through the fixed surface;

[0029] The movable clamp block is provided with a wrapping surface in contact with the product, and the tapping positioning channel penetrates through the wrapping surface.

[0030] Preferably, the frame includes a support member and a bearing member,

[0031] The support member is used to support the bearing member;

[0032] The number of the bearing members is multiple, the multiple bearing members are arranged at intervals, the multiple bearing members intersect to form at least two intersection positions, two adjacent intersection positions are arranged in a staggered manner, and the product fixture base is arranged at the intersection positions.

[0033] The beneficial effects of the present utility model: The present utility model drives the movable clamp block to approach the fixed clamp block by the clamping driver to fix the product on the product fixture base, adjusts the position of the product and the tapping positioning channel, and at the same time starts a plurality of single-axis tapping modules. The plurality of single-axis tapping modules process tapping holes for the product through the tapping positioning channel. After the processing is completed, the product is released by driving the movable clamp block to move away from the fixed clamp block by the clamping driver, completing the processing of a plurality of tapping holes for the product, saving the tapping hole processing time, improving the tapping hole processing efficiency, and avoiding the occurrence of missed tapping holes.

[0034] Compared with the CNC equipment, the cost of this equipment is lower, reducing the production cost of the enterprise. Description of the Drawings

[0035] Figure 1 It is a schematic structural diagram of the present utility model.

[0036] Figure 2 It is Figure 1 The enlarged schematic diagram of the structure of part A of

[0037] Figure 3 It is a schematic structural diagram of the single-axis tapping module and the fixture of the present utility model.

[0038] Figure 4 It is a schematic structural diagram of the single-axis tapping module of the present utility model.

[0039] The reference numerals include:

[0040] 1. Frame; 11. Support member; 12. Bearing member; 13. Intersection position;

[0041] 2. Single-axis tapping module; 21. Module base; 211. Adjustment cavity; 212. Sliding block; 213. Fixed block; 214. Adjustment chute; 215. Limit hole; 216. Installation groove; 217. Coupling; 218. Lead screw nut; 22. Pitch lead screw; 221. First limit portion; 23. Squeezing tap; 231. Connection portion; 232. Second limit portion; 233. Squeezing portion; 24. Tapping driver;

[0042] 3. Fixture; 31. Product fixture base; 32. Clamping driver; 33. Fixed clamping block; 34. Movable clamping block; 35. Tapping positioning channel;

[0043] 4. Lubrication mechanism; 41. Oil distributor; 42. Oil guide pipe. Detailed implementation manners

[0044] The present utility model will be described in detail below with reference to the accompanying drawings.

[0045] As Figures 1 to 4 shown, an eight-axis automatic tapping device of the present utility model includes a frame 1 and a plurality of single-axis tapping modules 2.

[0046] At least two fixtures 3 for fixing products are provided on the frame 1, and two adjacent fixtures 3 are offset, so that the products fixed on the fixtures 3 are offset, facilitating the tapping hole processing operations on multiple products simultaneously.

[0047] The fixture 3 includes a product fixture base 31 and a clamping driver 32. The product fixture base 31 is provided with a fixed clamping block 33 and a movable clamping block 34, and the clamping driver 32 drives the movable clamping block 34 to approach or move away from the fixed clamping block 33.

[0048] The product is arranged between the fixed clamping block 33 and the movable clamping block 34. When the clamping driver 32 drives the movable clamping block 34 to approach the fixed clamping block 33, the product is fixed, facilitating the tapping hole processing operation on the product. When the clamping driver 32 drives the movable clamping block 34 to move away from the fixed clamping block 33, the product is released, facilitating the removal of the product.

[0049] Both the fixed clamping block 33 and the movable clamping block 34 are provided with a plurality of tapping positioning channels 35, and the plurality of tapping positioning channels 35 are offset, facilitating the tapping hole operations on the product simultaneously.

[0050] The plurality of single-axis tapping modules 2 are fixed to the frame 1 and are respectively arranged along the axes of the plurality of tapping positioning channels 35, so that each tapping positioning channel 35 is provided with a single-axis tapping module 2.

[0051] During use, the clamping driver 32 drives the movable clamping block 34 to approach the fixed clamping block 33 to fix the product on the product fixture base 31. The position of the product and the tapping positioning channel 35 is adjusted, and at the same time, multiple single-axis tapping modules 2 are started. The multiple single-axis tapping modules 2 process tapping holes for the product through the tapping positioning channel 35. After the processing is completed, the clamping driver 32 drives the movable clamping block 34 to move away from the fixed clamping block 33 to release the product, completing the processing of multiple tapping holes for the product, saving the tapping hole processing time, improving the tapping hole processing efficiency, and avoiding the occurrence of missed tapping holes. And compared with the CNC equipment, the cost of this equipment is lower, reducing the production cost of the enterprise.

[0052] In actual use, two adjacent jigs 3 are arranged in a crosswise offset manner. Each jig 3 is provided with four tapping positioning channels 35, and each tapping positioning channel 35 is provided with a single-axis tapping module 2. A total of eight single-axis tapping modules 2 of the two jigs 3 operate simultaneously, and eight tapping holes of two products can be completed in 30 seconds. Compared with the CNC equipment for tapping, the efficiency is increased by 60%.

[0053] The tapping equipment of the present application has a compact structure and a small floor space. The equipment power is 400w. Compared with the CNC equipment, the energy consumption is greatly reduced, and at the same time, the equipment input cost is reduced by 80%.

[0054] All the tapping holes of the product are completed simultaneously at one time, effectively reducing the problem of missed processing and improving the quality yield.

[0055] As Figure 4 shown, the single-axis tapping module 2 of this embodiment includes a module base 21, a pitch lead screw 22, a squeezing tap 23, and a tapping driver 24.

[0056] The module base 21 is provided with an adjustment cavity 211, a sliding block 212, and a fixing block 213. The sliding block 212 is slidably arranged in the adjustment cavity 211, and the fixing block 213 is fixedly arranged in the adjustment cavity 211.

[0057] The pitch lead screw 22 is arranged in the adjustment cavity 211. One end of the pitch lead screw 22 is rotatably connected to the sliding block 212, so that the sliding block 212 supports the pitch lead screw 22. Preferably, a bearing is arranged at the rotational connection of the pitch lead screw 22 and the sliding block 212 to reduce the wear at the rotational connection of the pitch lead screw 22 and the sliding block 212.

[0058] The other end of the pitch lead screw 22 is threadedly connected to the fixing block 213 and extends outside the adjustment cavity 211.

[0059] The squeezing tap 23 is fixed to one end of the pitch lead screw 22 extending outside the adjustment cavity 211.

[0060] The tapping driver 24 is fixed to one end of the module base 21 and is used to drive the pitch screw 22 to rotate, so that the pitch screw 22 is threadedly connected to the fixed block 213, so that the pitch screw 22 drives the pitch screw 22 to extend into or withdraw from the tapping positioning channel 35, realizing the tapping hole operation on the product.

[0061] In actual use, the tapping driver 24 is a motor, such as a stepper motor or a servo motor. The tapping driver 24 is controlled to work electrically through a PLC. The position control pulse signal sent by the PLC is amplified through a pulse amplifier. A group of pulse signals controls multiple tapping modules to run synchronously, realizing electrical control automation.

[0062] An automatic operation program can also be compiled to realize the tapping speed and tapping depth, so that the tapping hole operation parameters can be set parametrically, which is convenient for flexible adjustment in actual production.

[0063] As Figure 4 shown, an adjustment chute 214 is provided in the adjustment cavity 211 of this embodiment. The sliding block 212 is slidably connected to the adjustment chute 214, which is convenient for the pitch screw 22 to drive the pitch screw 22 to extend into or withdraw from the tapping positioning channel 35.

[0064] Limit holes 215 are provided in the adjustment chute 214. A limiting member, such as a bolt or a limiting block, is connected through the limit holes 215, and the stroke of the sliding block 212 sliding along the adjustment chute 214 is limited by the limiting member.

[0065] As Figure 4 shown, the module base 21 of this embodiment is provided with a lubrication mechanism 4. The lubrication mechanism 4 includes an oil distributor 41 and an oil guide pipe 42.

[0066] The oil distributor 41 is fixed to one side of the adjustment cavity 211 and is connected to one end of the oil guide pipe 42.

[0067] The other end of the oil guide pipe 42 is arranged on one side of the extrusion tap 23.

[0068] During use, the oil distributor 41 is connected to an oil pump, so that the lubricating oil is transported to the oil guide pipe 42 through the oil distributor 41. The lubricating oil is sprayed on the extrusion tap 23, the tapping positioning channel 35 and the product through the oil guide pipe 42 to reduce the wear of the extrusion tap 23 during the tapping hole operation.

[0069] As Figure 4 shown, an installation groove 216 is provided on one side of the module base 21 of this embodiment. The oil distributor 41 is fixed in the installation groove 216, realizing that the oil distributor 41 is fixed to one side of the adjustment cavity 211.

[0070] As Figure 4As shown, the module base 21 of this embodiment is provided with a coupling 217, and the tapping driver 24 is connected to the pitch lead screw 22 through the coupling 217, realizing the connection between the tapping driver 24 and the pitch lead screw 22.

[0071] The fixed block 213 is provided with a lead screw nut 218, and the fixed block 213 is threadedly connected to the pitch lead screw 22 through the lead screw nut 218, realizing the threaded connection between the pitch lead screw 22 and the fixed block 213.

[0072] As Figure 4 shown, the pitch lead screw 22 of this embodiment is provided with a first limiting portion 221, and the first limiting portion 221 is sleeved on the surface of the pitch lead screw 22. When the first limiting portion 221 abuts against the fixed clamping block 33, the extending stroke of the pitch lead screw 22 is limited.

[0073] As Figure 4 shown, the extrusion tap 23 of this embodiment includes a connecting portion 231, a second limiting portion 232 and an extrusion portion 233.

[0074] The connecting portion 231 is connected to one end of the pitch lead screw 22 extending outside the adjustment cavity 211, realizing the connection between the extrusion tap 23 and one end of the pitch lead screw 22 extending outside the adjustment cavity 211.

[0075] The second limiting portion 232 is sleeved on the surface of the connecting portion 231. When the second limiting portion 232 abuts against the fixed clamping block 33, the retracting stroke of the pitch lead screw 22 is limited.

[0076] The extrusion portion 233 is fixed to one end of the connecting portion 231 away from the extension of the pitch lead screw 22, and the tapping hole operation is performed through the extrusion portion 233.

[0077] The fixed clamping block 33 of this embodiment is provided with a fixed surface that abuts against the product, and the tapping positioning channel 35 penetrates the fixed surface.

[0078] The movable clamping block 34 is provided with a wrapping surface that abuts against the product, and the tapping positioning channel 35 penetrates the wrapping surface.

[0079] The cross-sections of the fixed surface and the wrapping surface are both L-shaped, so that the fixed clamping block 33 and the movable clamping block 34 fit the outer contour of the product.

[0080] During use, the two ends of the product are parallel to the fixed surface and the wrapping surface, and the clamping driver 32 drives the movable clamping block 34 to approach the fixed clamping block 33, so that the product is fixed between the fixed surface and the wrapping surface, facilitating the tapping hole of the product placed horizontally by the single-axis tapping module 2.

[0081] As Figure 1 shown, the frame 1 of this embodiment includes a support member 11 and a bearing member 12,

[0082] The support member 11 is used to support the bearing member 12.

[0083] In actual use, both the support member 11 and the carrier member 12 are profile materials.

[0084] The number of the carrier members 12 is multiple. The multiple carrier members 12 are arranged at intervals. The multiple carrier members 12 intersect to form at least two intersection positions 13. Two adjacent intersection positions 13 are arranged in a staggered manner. The product fixture base 31 is arranged at the intersection position 13 to realize the staggering of two adjacent jigs 3.

[0085] The above content is only the preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manners and application scopes. The content of this specification should not be construed as a limitation to the present utility model.

Claims

1. An eight-axis automatic tapping device, characterized in that: It includes a frame (1) and multiple single-axis tapping modules (2) for tapping holes in products. At least two fixtures (3) for fixing products are provided on the frame (1), and two adjacent fixtures (3) are offset. The fixture (3) includes a product fixture base (31) and a clamping driver (32). The product fixture base (31) is provided with a fixed clamping block (33) and a movable clamping block (34), and the clamping driver (32) drives the movable clamping block (34) to approach or move away from the fixed clamping block (33). Both the fixed clamping block (33) and the movable clamping block (34) are provided with tapping positioning channels (35). The number of tapping positioning channels (35) is multiple, and multiple tapping positioning channels (35) are offset. Multiple single-axis tapping modules (2) are fixed to the frame (1) and are respectively arranged along the axes of the multiple tapping positioning channels (35).

2. An eight-axis automatic tapping device according to claim 1, characterized in that: The single-axis tapping module (2) includes a module base (21), a pitch lead screw (22), a squeezing tap (23), and a tapping driver (24). The module base (21) is provided with an adjustment cavity (211), a sliding block (212), and a fixed block (213). The sliding block (212) is slidably arranged in the adjustment cavity (211), and the fixed block (213) is fixedly arranged in the adjustment cavity (211). The pitch lead screw (22) is arranged in the adjustment cavity (211). One end of the pitch lead screw (22) is rotatably connected to the sliding block (212), and the other end of the pitch lead screw (22) is threadedly connected to the fixed block (213) and extends outside the adjustment cavity (211). The squeezing tap (23) is fixed to one end of the pitch lead screw (22) extending outside the adjustment cavity (211). The tapping driver (24) is fixed to one end of the module base (21) and is used to drive the pitch lead screw (22) to rotate.

3. An eight-axis automatic tapping device according to claim 2, characterized in that: An adjustment chute (214) is arranged in the adjustment cavity (211), and the sliding block (212) is slidably connected to the adjustment chute (214). Limit holes (215) are arranged in the adjustment chute (214).

4. An eight-axis automatic tapping device according to claim 2, characterized in that: The module base (21) is provided with a lubrication mechanism (4). The lubrication mechanism (4) includes an oil distributor (41) and an oil guide pipe (42). The oil distributor (41) is fixed to one side of the adjustment cavity (211) and is connected to one end of the oil guide pipe (42). The other end of the oil guide pipe (42) is arranged on one side of the squeezing tap (23).

5. An eight-axis automatic tapping device according to claim 4, characterized in that: An installation groove (216) is arranged on one side of the module base (21), and the oil distributor (41) is fixed to the installation groove (216).

6. An eight-axis automatic tapping device according to claim 2, characterized in that: The module base (21) is provided with a coupling (217), and the tapping driver (24) is connected to the pitch lead screw (22) through the coupling (217). The fixed block (213) is provided with a lead screw nut (218), and the fixed block (213) is threadedly connected to the pitch lead screw (22) through the lead screw nut (218).

7. An eight-axis automatic tapping device according to claim 2, characterized in that: The pitch screw (22) is provided with a first limiting portion (221), and the first limiting portion (221) is sleeved on the surface of the pitch screw (22).

8. An eight-axis automatic tapping device according to claim 2, characterized in that: The thread extrusion tap (23) includes a connecting portion (231), a second limiting portion (232) and a thread extrusion portion (233). The connecting portion (231) is connected to one end of the pitch screw (22) extending outside the adjustment cavity (211). The second limiting portion (232) is sleeved on the surface of the connecting portion (231). The thread extrusion portion (233) is fixed to one end of the connecting portion (231) away from the extension of the pitch screw (22).

9. An eight-axis automatic tapping device according to claim 1, characterized in that: The fixed clamping block (33) is provided with a fixing surface in contact with the product, and the tapping positioning channel (35) penetrates through the fixing surface. The movable clamping block (34) is provided with a wrapping surface in contact with the product, and the tapping positioning channel (35) penetrates through the wrapping surface.

10. An eight-axis automatic tapping device according to claim 1, characterized in that: The machine frame (1) includes a support member (11) and a bearing member (12). The support member (11) is used to support the bearing member (12). The number of the bearing members (12) is multiple, and the multiple bearing members (12) are arranged at intervals. The multiple bearing members (12) intersect to form at least two intersection positions (13), and two adjacent intersection positions (13) are arranged in a staggered manner. The product fixture base (31) is arranged at the intersection position (13).

Images