Lathe clamp connecting assembly and air inlet pipe clamp and filter clamp applying same

Abstract

The utility model relates to a lathe fixture connecting assembly and an air inlet pipe fixture applying the same. The lathe fixture connecting assembly comprises a main shaft, a hydraulic switching unit; an adapter plate; a through hole; the connecting holes close to the outer circle of the adapter plate are counter bores; bolts are arranged in the group of connecting holes, so that the clamp is connected with the adapter plate; a step face is arranged in the circumferential direction of the through hole, a sealing ring is arranged in the step face, and the sealing ring abuts against the bottom face of the clamp to prevent hydraulic oil from leaking. According to the utility model, the change-over disc part is added, the change-over disc and the oil path do not need to be replaced after being fixed, all the clamp parts and the change-over disc part can be exchanged, the oil path can be sealed through a ring, and only the clamp parts need to be detached for replacement during replacement, and the oil path does not need to be specially changed. The bottom face of the non-hydraulic clamp is attached to the switching disc to automatically block the through hole, an oil way does not need to be disassembled, the replacement workload is greatly reduced, and the replacement of the clamp can be basically controlled within one hour after improvement.

Description

Technical Field

[0001] The utility model relates to the field of lathe clamp design, in particular to a lathe clamp connection component and an air intake pipe clamp and a filter clamp using the component. Background Art

[0002] Lathe processing products are rich, and each product uses different fixtures. When changing products, the hydraulic and spindle parts must be replaced. The hydraulic pipelines are distributed inside the spindle, the space is small and the oil pipes are very hard, which is very inconvenient to replace. If you encounter a non-hydraulic fixture, you must also remove the entire hydraulic part, which increases the workload and the replacement cycle is long. In order to achieve rapid replacement of hydraulic clamping and non-hydraulic fixtures, we have designed and developed universal connection components for lathe fixtures, air pipe fixtures, and filter fixtures. Summary of the invention

[0003] In order to solve the above technical problems, the utility model proposes a lathe clamp connection assembly and an intake pipe clamp and a filter clamp using the assembly. The technical problem to be solved by the utility model is achieved by the following technical solutions:

[0004] Lathe fixture connection components,

[0005] A main shaft having two oil passages penetrating two end faces of the main shaft;

[0006] A hydraulic transfer unit, which is connected to one end of the main shaft and is connected to the oil circuit to inject oil pressure;

[0007] An adapter plate, which is connected to one end of the main shaft away from the hydraulic adapter unit, and has two groups of connection holes distributed along the radial direction on its surface, and also has through holes connected to the corresponding oil circuits, and each group of connection holes is distributed at equal intervals around the circumference of the adapter plate;

[0008] The connecting holes near the center of the adapter plate are through holes, and the adapter plate is connected to the spindle by setting bolts in the connecting holes; the connecting holes near the outer circle of the adapter plate are countersunk holes, and the clamp is connected to the adapter plate by setting bolts in the connecting holes;

[0009] A step surface is arranged around the through hole, and a sealing ring is arranged inside the step surface, and the sealing ring abuts against the bottom surface of the clamp to prevent leakage of hydraulic oil.

[0010] The adapter plate is provided with a positioning pin hole, and the clamp is positioned by arranging a pin in the positioning pin hole.

[0011] The air intake pipe clamp includes a connecting plate connected to the adapter plate, the connecting plate is provided with a support frame vertically distributed with the end surface of the connecting plate, the support frame is provided with two groups of positioning columns arranged along the length direction of the support frame, and the support frame is also provided with a fixing component for clamping the upper and lower ends of both sides of the air intake pipe respectively, and the fixing component is connected with the through hole through the adapter plate.

[0012] The fixing assembly includes a No. 1 clamping mechanism that cooperates with the bottom positioning point of the intake pipe and is symmetrically distributed along the length direction of the support frame to fix the bottom position of the intake pipe, a No. 2 clamping mechanism that cooperates with the middle positioning point of the intake pipe to fix the middle position of the intake pipe, and a No. 3 clamping mechanism that cooperates with the top positioning point of the intake pipe to fix the top position of the intake pipe.

[0013] The No. 1 clamping mechanism and the No. 2 clamping mechanism have the same structure and both include a No. 1 hydraulic cylinder installed on a support frame. The end of the piston rod of the No. 1 hydraulic cylinder is hingedly installed with a No. 1 clamping block. The middle part of the No. 1 clamping block is hingedly installed with a No. 1 rocker arm. The end of the No. 1 rocker arm away from the No. 1 clamping block is hingedly installed on the No. 1 hydraulic cylinder.

[0014] The No. 3 clamping mechanism includes a No. 2 hydraulic cylinder installed on a support frame, the end of the piston rod of the No. 2 hydraulic cylinder is hingedly installed with a No. 2 clamping block, the middle part of the No. 2 clamping block is hingedly installed with a No. 2 rocker arm, and the end of the No. 2 rocker arm away from the No. 2 clamping block is hingedly installed with a limit rod fixed on the support frame.

[0015] The limiting rod extends from the supporting frame toward the second hydraulic cylinder to avoid the air intake pipe.

[0016] The two ends of the second clamping block are straight sections, the middle part is a curved section, and the curved section is S-shaped to avoid the air intake pipe.

[0017] The filter clamp includes a three-jaw chuck connected to an adapter plate, the bottom surface of the three-jaw chuck is fitted with the adapter plate to seal the through hole, a claw for clamping the filter is slidably installed in the three-jaw chuck, the claw includes a protrusion extending into the area surrounded by the bottom end surface of the filter, the protrusion is provided with a bearing part that is fitted with the bottom surface of the filter to support the filter, and the claw is provided with a fixing part that abuts against the outer peripheral surface of the filter.

[0018] The fitting part of the outer peripheral surface of the filter of the fixing part is arc-shaped, and an avoidance hole is provided at one end of the fixing part close to the filter.

[0019] The beneficial effects of the utility model are as follows: the patent adds a transfer plate part, and the transfer plate and the oil circuit do not need to be replaced after being fixed. All the fixture parts and the transfer plate parts can be interchanged, and the oil circuit can be sealed by a ring. When replacing, only the lower fixture part needs to be disassembled for replacement, and no special change of the oil circuit is required. The bottom surface of the non-hydraulic fixture fits the transfer plate and automatically blocks the through hole, and the oil circuit does not need to be disassembled, which greatly reduces the workload of replacement. After the improvement, the replacement of the fixture can basically be controlled within 1 hour. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the connection assembly of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the oil circuit of the utility model;

[0023] Figure 3 The three-dimensional structure of the air intake pipe clamp of the utility model is shown in FIG. Figure 1 ;

[0024] Figure 4 The three-dimensional structure of the air intake pipe clamp of the utility model is shown in FIG. Figure 2 ;

[0025] Figure 5 The three-dimensional structure of the air intake pipe clamp of the utility model is shown in FIG. Figure 3 ;

[0026] Figure 6 This is a front view of the air intake pipe clamp of the utility model;

[0027] Figure 7 The three-dimensional structure of the filter fixture of the utility model is shown in FIG. Figure 1 ;

[0028] Figure 8 The three-dimensional structure of the filter fixture of the utility model is shown in FIG. Figure 2 .

[0029] As shown in the figure: 1. spindle; 2. oil circuit; 3. hydraulic adapter unit; 4. adapter plate; 5. connecting hole; 6. through hole; 7. step surface; 8. sealing ring; 9. positioning pin hole; 10. connecting plate; 11. support frame; 12. positioning column; 13. fixing assembly; 14. clamping mechanism No. 1; 15. clamping mechanism No. 2; 16. clamping mechanism No. 3; 141. hydraulic cylinder No. 1; 142. clamping block No. 1; 143. rocker arm No. 1; 161. hydraulic cylinder No. 2; 162. clamping block No. 2; 163. rocker arm No. 2; 164. limit rod; 165. adapter; 166. buffer pad; 21. three-jaw chuck; 22. claw; 23. raised part; 24. bearing part; 25. fixing part; 26. avoidance hole. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described more clearly and completely below in conjunction with the drawings in the embodiments. Of course, the described embodiments are only a part of the present invention but not all of it. Based on this embodiment, other embodiments obtained by those skilled in the art without creative labor are all within the protection scope of the present invention.

[0031] like Figure 1 to Figure 2 As shown, the lathe fixture connection assembly,

[0032] A main shaft 1, the main shaft 1 having two oil passages 2 penetrating two end surfaces of the main shaft 1;

[0033] A hydraulic adapter unit 3, which is connected to one end of the main shaft 1 and is connected to the oil circuit 2 to inject oil pressure;

[0034] like Figures 3 to 5 As shown, the adapter plate 4 is connected to the end of the main shaft 1 away from the hydraulic adapter unit 3, and the surface of the adapter plate is provided with two groups of connection holes 5 distributed along the radial direction, and is also provided with through holes 6 connected with the corresponding oil circuit 2, and each group of connection holes 5 is distributed at equal intervals around the circumference of the adapter plate 4; the main shaft and the fixture are connected through the adapter plate 4, and the oil pipe of the fixture is connected with the oil circuit 2 through the through hole 6, and there is no need to replace the oil circuit 2 and the hydraulic adapter unit 3 for different fixtures;

[0035] The connecting holes 5 near the center of the adapter plate 4 are through holes, and the adapter plate 4 is connected to the spindle 1 by setting bolts in the connecting holes 5; the connecting holes 5 near the outer circle of the adapter plate 4 are countersunk holes, and the clamp is connected to the adapter plate 4 by setting bolts in the connecting holes 5;

[0036] A step surface 7 is provided in the circumference of the through hole 6, and a sealing ring 8 is provided in the step surface 7, which abuts against the bottom surface of the clamp to prevent leakage of hydraulic oil; when the non-hydraulic clamp is installed, the bottom is in contact with the adapter plate 4. Since the sealing ring 8 is arranged in the step surface 7, the sealing ring 8 can be used to seal the part of the through hole 6 that contacts the bottom surface of the non-hydraulic clamp to prevent leakage of hydraulic oil.

[0037] The adapter plate 4 is provided with a positioning pin hole 9, and the clamp is positioned by arranging a pin in the positioning pin hole 9. The clamp is positioned through the positioning pin hole 9 and fastened with bolts to prevent errors in the installation position of the clamp.

[0038] like Figures 3 to 6 As shown: the intake pipe clamp includes a connecting plate 10 connected to the adapter plate 4, the connecting plate 10 is provided with a support frame 11 vertically distributed with the end surface of the connecting plate 10, the support frame 11 is provided with two groups of positioning columns 12 arranged along the length direction of the support frame 11, and the support frame 11 is also provided with a fixing assembly 13 for clamping the upper and lower ends of both sides of the intake pipe respectively, and the fixing assembly 13 is connected with the through hole 6 through the adapter plate 4; as shown Figure 6 As shown, there are two positioning columns 12 on the left side of the distribution support frame 11, and they are arranged at the upper and lower ends of the support frame 11, and cooperate with the clamping mechanism No. 14 and the clamping mechanism No. 3 16; there are three positioning columns 12 on the right side of the distribution support frame 11, which are arranged at the upper, middle and lower ends of the support frame 11, and the positioning columns 12 distributed at the middle and lower ends of the support frame 11 cooperate with the clamping mechanism No. 14 and the clamping mechanism No. 2 15.

[0039] The fixing assembly 13 includes a clamping mechanism 14 that cooperates with the bottom positioning point of the intake pipe and is symmetrically distributed along the length direction of the support frame 11 to fix the bottom position of the intake pipe, a clamping mechanism 15 that cooperates with the middle positioning point of the intake pipe to fix the middle position of the intake pipe, and a clamping mechanism 16 that cooperates with the top positioning point of the intake pipe to fix the top position of the intake pipe.

[0040] The No. 1 clamping mechanism 14 and the No. 2 clamping mechanism 15 have the same structure and both include a No. 1 hydraulic cylinder 141 installed on the support frame 11, and the end of the piston rod of the No. 1 hydraulic cylinder 141 is hingedly installed with a No. 1 clamping block 142, and the middle part of the No. 1 clamping block 142 is hingedly installed with a No. 1 rocker arm 143, and the end of the No. 1 rocker arm 143 away from the No. 1 clamping block 142 is hingedly installed on the No. 1 hydraulic cylinder 141.

[0041] The No. 3 clamping mechanism 16 comprises a No. 2 hydraulic cylinder 161 mounted on the support frame 11, a No. 2 clamping block 162 is hingedly mounted at the end of the piston rod of the No. 2 hydraulic cylinder 161, a No. 2 swing rod 163 is hingedly mounted in the middle of the No. 2 clamping block 162, and a limit rod 164 fixed to the support frame 11 is hingedly mounted at one end of the No. 2 swing rod 163 away from the No. 2 clamping block 162; Figures 4 to 6 As shown, both the No. 1 clamping block 142 and the No. 2 clamping block 162 are connected with an adapter 165, and the adapter 165 is connected with a buffer pad 166. In order to avoid the air intake pipe, the adapter 165 on the No. 1 clamping block 142 distributed on the right side of the support frame 11 is V-shaped.

[0042] The limiting rod 164 extends from the support frame 11 to the second hydraulic cylinder 161 to avoid the air intake pipe.

[0043] The two ends of the second clamping block 162 are straight sections, the middle part is a curved section, and the curved section is S-shaped to avoid the intake pipe. Figure 4 As shown, two No. 2 swing rods 163 are provided, which are hingedly installed at the upper and lower ends of the limiting rod 164, and the curved section of the No. 2 clamping block 162 extends into the area surrounded by the No. 2 swing rod 163 in the clamping state.

[0044] like Figures 7 and 8 As shown, the filter clamp includes a three-jaw chuck 21 connected to the adapter plate 4, the bottom surface of the three-jaw chuck 21 fits with the adapter plate 4 to seal the through hole 6, and a claw 22 for clamping the filter is slidably installed in the three-jaw chuck 21, and the claw 22 includes a protrusion 23 extending to the area surrounded by the bottom end surface of the filter, and the protrusion 23 is provided with a bearing portion 24 that fits with the bottom surface of the filter to support the filter, and the claw 22 is provided with a fixing portion 25 that abuts against the outer peripheral surface of the filter.

[0045] The part of the fixing part 25 that fits the outer peripheral surface of the filter is arc-shaped, and an avoidance hole 26 is provided at one end of the fixing part 25 close to the filter; Figure 6 As shown, there are components connected to the lower part of the filter, and the claw 22 cannot extend into the bottom of the filter as a whole, so a protrusion 23 is provided to reduce the volume of the claw 22, and the filter is supported by the bearing portion 24; since the outer peripheral surface of the filter is cylindrical, an avoidance hole 26 is provided to avoid the outer peripheral surface of the filter; each claw 22 is provided with two fixing portions 25, and the avoidance holes 26 are distributed between the two fixing portions 25 on each claw 22.

[0046] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. Lathe fixture connection components, Features: A main shaft (1), the main shaft (1) having two oil passages (2) penetrating two end surfaces of the main shaft (1); A hydraulic adapter unit (3), the hydraulic adapter unit (3) is connected to one end of the main shaft (1) and is connected to the oil circuit (2) to inject oil pressure; An adapter plate (4) is connected to an end of the main shaft (1) away from the hydraulic adapter unit (3), and has a surface provided with two groups of connection holes (5) distributed along a radial direction, and also provided with through holes (6) connected to the corresponding oil circuit (2), and each group of connection holes (5) is distributed at equal intervals around the circumference of the adapter plate (4); The connecting holes (5) close to the center of the transfer plate (4) are through holes, and bolts are arranged in the group of connecting holes (5) to connect the transfer plate (4) to the main shaft (1); the connecting holes (5) close to the outer circle of the transfer plate (4) are countersunk holes, and bolts are arranged in the group of connecting holes (5) to connect the fixture to the transfer plate (4); A step surface (7) is provided in the circumferential direction of the through hole (6), and a sealing ring (8) is provided inside the step surface (7). The sealing ring (8) abuts against the bottom surface of the clamp to prevent leakage of hydraulic oil.

2. The lathe clamp connection assembly according to claim 1, Features: The adapter plate (4) is provided with a positioning pin hole (9), and the clamp is positioned by arranging a pin in the positioning pin hole (9).

3. An air intake pipe clamp using the lathe clamp connection assembly according to any one of claims 1 to 2, Features: The invention comprises a connecting plate (10) connected to an adapter plate (4); the connecting plate (10) is provided with a support frame (11) vertically distributed with the end surface of the connecting plate (10); the support frame (11) is provided with two groups of positioning columns (12) arranged along the length direction of the support frame (11); the support frame (11) is also provided with a fixing assembly (13) for clamping the upper and lower ends of both sides of the air intake pipe respectively; the fixing assembly (13) is connected with the through hole (6) through the adapter plate (4).

4. The air intake pipe clamp according to claim 3, Features: The fixing assembly (13) comprises a first clamping mechanism (14) which cooperates with a positioning point at the bottom of the air intake pipe and is symmetrically distributed along the length direction of the support frame (11) to fix the bottom position of the air intake pipe, a second clamping mechanism (15) which cooperates with a positioning point in the middle of the air intake pipe to fix the middle position of the air intake pipe, and a third clamping mechanism (16) which cooperates with a positioning point at the top of the air intake pipe to fix the top position of the air intake pipe.

5. The air intake pipe clamp according to claim 4, Features: The No. 1 clamping mechanism (14) and the No. 2 clamping mechanism (15) have the same structure and both include a No. 1 hydraulic cylinder (141) mounted on a support frame (11); a No. 1 clamping block (142) is hingedly mounted at the end of the piston rod of the No. 1 hydraulic cylinder (141); a No. 1 swing rod (143) is hingedly mounted at the middle of the No. 1 clamping block (142); and an end of the No. 1 swing rod (143) away from the No. 1 clamping block (142) is hingedly mounted on the No. 1 hydraulic cylinder (141).

6. The air intake pipe clamp according to claim 4, Features: The No. 3 clamping mechanism (16) comprises a No. 2 hydraulic cylinder (161) mounted on the support frame (11), the end of the piston rod of the No. 2 hydraulic cylinder (161) is hingedly mounted with a No. 2 clamping block (162), the middle part of the No. 2 clamping block (162) is hingedly mounted with a No. 2 rocker arm (163), and the end of the No. 2 rocker arm (163) away from the No. 2 clamping block (162) is hingedly mounted with a limit rod (164) fixed on the support frame (11).

7. The air intake pipe clamp according to claim 6, Features: The limiting rod (164) extends from the support frame (11) toward the second hydraulic cylinder (161) to avoid the air intake pipe.

8. The air intake pipe clamp according to claim 6, Features: The two ends of the second pressing block (162) are straight sections, the middle part is a curved section, and the curved section is S-shaped to avoid the air intake pipe.

9. A filter clamp using the lathe clamp connection assembly according to any one of claims 1 to 2, Features: The invention comprises a three-jaw chuck (21) connected to an adapter plate (4), the bottom surface of the three-jaw chuck (21) being fitted with the adapter plate (4) to seal the through hole (6), a clamping claw (22) for clamping the filter being slidably mounted in the three-jaw chuck (21), the clamping claw (22) comprising a protrusion (23) extending into an area surrounded by the bottom end surface of the filter, the protrusion (23) being provided with a bearing portion (24) fitted with the bottom surface of the filter to support the filter, and the clamping claw (22) being provided with a fixing portion (25) abutting against the outer peripheral surface of the filter.

10. The filter holder according to claim 9, Features: The portion of the fixing portion (25) that fits the outer peripheral surface of the filter is arc-shaped, and an avoidance hole (26) is provided at one end of the fixing portion (25) close to the filter.

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