CN212683255U - First terminal surface anchor clamps of plunger bushing processing - Google Patents
First terminal surface anchor clamps of plunger bushing processing Download PDFInfo
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- CN212683255U CN212683255U CN202021465330.5U CN202021465330U CN212683255U CN 212683255 U CN212683255 U CN 212683255U CN 202021465330 U CN202021465330 U CN 202021465330U CN 212683255 U CN212683255 U CN 212683255U
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- plunger
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- 238000003825 pressing Methods 0.000 claims abstract description 112
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000003754 machining Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 7
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007907 direct compression Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a first terminal surface anchor clamps of plunger bushing processing, its characterized in that: the clamp comprises a clamp disc body, a telescopic driving cylinder, a push plate, two pressing mechanisms, a plunger sleeve positioning ring and a plunger sleeve ejector rod; the clamp disc body is horizontally arranged, and the two pressing mechanisms are symmetrically distributed along the central line of the clamp disc body; the pressing mechanism comprises a supporting rod, a guide rod and a pressing plate, the supporting rod and the guide rod are vertically arranged and are parallel at intervals, the lower end of the supporting rod is fixedly connected with the clamp disc body, the guide rod penetrates through the clamp disc body, one end of the pressing plate faces back to the central line of the clamp disc body and is rotatably connected with the upper end of the supporting rod, the middle part of the pressing plate is rotatably connected with the upper end of the guide rod, and the other end of the pressing plate faces the central line of the clamp disc body; the output end of the telescopic driving cylinder is fixedly connected with the push plate, and the lower ends of the guide rods of the two pressing mechanisms are fixedly connected with the push plate. The utility model discloses can be used to accurate location clamping of plunger cover when processing first terminal surface.
Description
Technical Field
The utility model belongs to the technical field of the plunger bushing processing equipment, especially, relate to a first terminal surface anchor clamps of plunger bushing processing.
Background
Referring to fig. 1-2, the plunger sleeve is a casting blank drawing and belongs to a key part on a high-pressure common rail oil pump on a heavy diesel engine. And the plunger sleeve blank needs a plurality of working procedures for machining to obtain the plunger sleeve meeting the requirements of size and tolerance. One of the procedures is to process the first end surface (N-1) of the plunger sleeve (N) and simultaneously ensure the verticality requirement of the first end surface of the plunger sleeve (N) and the central line thereof. Therefore, the plunger sleeve needs to be assisted by a special clamp when the first end surface (N-1) is processed.
SUMMERY OF THE UTILITY MODEL
In order to solve one or more defects in the prior art, the utility model provides a first terminal surface anchor clamps of plunger bushing processing.
In order to achieve the above object, the utility model provides a first terminal surface anchor clamps of plunger bushing processing, its characterized in that: the clamp comprises a clamp disc body (1), a telescopic driving cylinder (2), a push plate (3), two pressing mechanisms (4), a plunger sleeve positioning ring (5) and a plunger sleeve ejector rod (6);
the clamp disc body (1) is horizontally arranged, and the two pressing mechanisms (4) are symmetrically distributed along the central line of the clamp disc body (1);
the pressing mechanism (4) comprises a supporting rod (4-1), guide rods (4-2) and a pressing plate (4-3), the supporting rod (4-1) and the guide rods (4-2) are vertically arranged and are parallel at intervals, the lower end of the supporting rod (4-1) is fixedly connected with the clamp disc body (1), the guide rods (4-2) penetrate through the clamp disc body (1), one end of the pressing plate (4-3) faces back to the central line of the clamp disc body (1) and is rotatably connected with the upper end of the supporting rod (4-1), the middle of the pressing plate (4-3) is rotatably connected with the upper end of the guide rods (4-2), and the other end of the pressing plate (4-3) faces the central line of the clamp disc body (1);
the push plate (3) is positioned below the clamp disc body (1), the output end of the telescopic driving cylinder (2) is fixedly connected with the push plate (3), and the lower ends of the guide rods (4-2) of the two pressing mechanisms (4) are connected with the push plate (3);
the center of the clamp disc body (1) is provided with a mounting hole (1-1), the mounting hole (1-1) comprises an upper step hole (1-11) and a lower step hole (1-12), the plunger sleeve positioning ring (5) is mounted in the upper step hole (1-11), the plunger sleeve ejector rod (7) is mounted in the lower step hole (1-12), and the lower end of the plunger sleeve ejector rod (7) extends out of the clamp disc body (1) downwards.
By adopting the scheme, when the plunger sleeve is clamped, the second end (N-2) of the plunger sleeve (N) is inserted into the plunger sleeve positioning ring (5) to realize concentric positioning; then the telescopic driving cylinder (2) is started to work, the telescopic driving cylinder (2) drives the push plate (3) to move downwards, the push plate (3) simultaneously moves downwards through the guide rods (4-2) of the two pressing mechanisms (4), the guide rods (4-2) drive one end of the pressing plate (4-3) to rotate on the upper end of the supporting rod (4-1), and the other end of the pressing plate (4-3) downwards presses the lug (N-4) on the plunger sleeve (N); because the two pressing mechanisms (4) are symmetrically distributed, the two pressing plates (4-3) can symmetrically press the two sides of the lug (N-4) so as to realize accurate positioning and firm clamping and pressing of the plunger sleeve (N), and meanwhile, the device has the advantages of simplicity in operation, less clamping time and the like. The clamp can be arranged on a workbench on a machine tool, and after the clamping is finished, the first end surface N-1 of the plunger sleeve can be machined on the machine tool. After the machining is finished, the telescopic driving cylinder (2) can be started to drive the push plate (3) to move upwards, the push plate (3) moves upwards simultaneously through the guide rods (4-2) of the two pressing mechanisms (4), the guide rods (4-2) drive one end of the pressure plate (4-3) to rotate reversely on the upper end of the supporting rod (4-1), and the other end of the pressure plate (4-3) can be loosened upwards and is far away from a lug (N-4) on the plunger sleeve (N); the two pressing mechanisms (4) are symmetrically distributed, so that the two pressing plates (4-3) are symmetrically loosened and far away from the lug (N-4); and in the upward movement process of the push plate (3), the push plate (3) can touch the lower end of the plunger sleeve ejector rod (7) upwards and drive the plunger sleeve ejector rod (7) to move upwards, the upper end of the plunger sleeve ejector rod (7) extends into the plunger sleeve positioning ring (5) and moves the second end (N-2) of the plunger sleeve (N) upwards from the plunger sleeve positioning ring (5) to move to push the plunger sleeve loose, and then the plunger sleeve (N) can be taken out easily.
Further, the plunger piston comprises a pressing sleeve (7), wherein the pressing sleeve (7) is sleeved on an excircle step portion (N-3) of the plunger sleeve (N), and a pressed boss (7-1) is arranged on the outer wall of the lower end of the pressing sleeve (7). When in compression, the two pressing plates (4-3) can symmetrically compress the two sides of the compression boss (7-1) on the compression sleeve (7), then the lug (N-4) is compressed through the compression sleeve (7), indirect compression can be realized to replace direct compression, the two pressing plates (4-3) can be prevented from directly contacting with the lug (N-4) to damage the surface of the lug (N-4), and further the surface precision of the plunger sleeve (N) is protected.
Furthermore, the outer wall of the upper end of the pressing sleeve (7) is provided with a conical surface (7-2). After processing, the pressing sleeve (7) and the plunger sleeve (N) are integrally taken out and can be inserted into a workpiece frame (9) and inserted into a taper hole (9-1) on the workpiece frame (9) through a tapered surface (7-2) of the pressing sleeve (7), so that the surface damage of the plunger sleeve (N) can be avoided, and the plunger sleeve (N) is prevented from shaking.
Further, the push plate mechanism also comprises a cylinder sleeve (8), and the push plate (3) is positioned in the cylinder sleeve (8); the upper end of the barrel sleeve (8) is provided with an upper connecting ring (8-1), and the upper connecting ring (8-1) is fixedly connected with the lower end of the clamp disc body (1); the lower end of the sleeve (8) is provided with a lower connecting disc (8-2), the telescopic driving cylinder (2) is fixed on the lower connecting disc (8-2), and the output end of the telescopic driving cylinder (2) faces upwards and penetrates through the lower connecting disc (8-2) to be fixedly connected with the middle part of the push plate (3). The sleeve (8) is used for covering the push plate (3) to reduce and avoid the danger caused by the movement of the push plate (3). And the lower connecting disc (8-2) can be used for connecting with a chuck of a machine tool.
The utility model has the advantages that: the utility model can be used for positioning and clamping when the first end surface is processed on the plunger sleeve, can realize the accurate positioning and firm clamping and pressing of the plunger sleeve, simultaneously has the advantages of simple operation, less clamping time, automatic jacking and loosening and unloading of the plunger sleeve, convenient taking out of workpieces and the like,
drawings
Fig. 1 is a front view of a plunger sleeve according to the present invention.
Fig. 2 is a perspective view of a plunger sleeve in the present invention.
Fig. 3 is a front sectional view of the plunger sleeve in the process of positioning and compressing the plunger sleeve according to the embodiment of the present invention.
Fig. 4 is a perspective view of the plunger sleeve when the plunger sleeve is positioned and compressed according to the embodiment of the present invention.
Fig. 5 is a front sectional view of a plunger sleeve during releasing the plunger sleeve according to an embodiment of the present invention.
Fig. 6 is an operation state diagram when the plunger sleeve is placed on the work rest.
Fig. 7 is a front sectional view of the second embodiment of the present invention when the plunger sleeve is positioned and compressed.
Fig. 8 is a perspective view of the plunger sleeve according to the second embodiment of the present invention when the plunger sleeve is positioned and compressed.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
the first embodiment is as follows: referring to fig. 1-6, a first end face fixture for processing a plunger sleeve comprises a fixture disc body 1, a telescopic driving cylinder 2, a push plate 3, two pressing mechanisms 4, a plunger sleeve positioning ring 5 and a plunger sleeve ejector rod 6.
The fixture disc body 1 is horizontally arranged and the two pressing mechanisms 4 are symmetrically distributed along the central line of the fixture disc body 1.
The pressing mechanism 4 comprises a supporting rod 4-1, a guide rod 4-2 and a pressing plate 4-3, the supporting rod 4-1 and the guide rod 4-2 are vertically arranged and are parallel at intervals, the lower end of the supporting rod 4-1 is fixedly connected with the clamp disc body 1, the guide rod 4-2 penetrates through the clamp disc body 1, one end of the pressing plate 4-3 faces back to the central line of the clamp disc body 1 and is rotatably connected with the upper end of the supporting rod 4-1, the middle part of the pressing plate 4-3 is rotatably connected with the upper end of the guide rod 4-2, and the other end of the pressing plate 4-3 faces the central line of the clamp disc body 1.
Specifically, a guide rod through hole 1-2 is arranged on the clamp disc body 1, and the guide rod 4-2 is in clearance fit with the guide rod through hole 1-2.
The push plate 3 is positioned below the clamp disc body 1, the output end of the telescopic driving cylinder 2 is fixedly connected with the push plate 3, and the lower ends of the guide rods 4-2 of the two pressing mechanisms 4 are connected with the push plate 3.
In this embodiment, the lower ends of the guide rods 4-2 of the two pressing mechanisms 4 are fixedly connected with the push plate 3 (e.g., with a threaded structure).
In addition, preferably, one end of the pressure plate 4-3 is provided with a round hole 4-31, the upper end of the supporting rod 4-1 is fixed with a first rotating shaft 4-4, and the first rotating shaft 4-4 is arranged on the round hole 4-31 in a penetrating way and is in clearance fit; a strip-shaped hole 4-32 is arranged in the middle of the pressure plate 4-3, a second rotating shaft 4-5 is fixed at the upper end of the guide rod 4-2, and the second rotating shaft 4-5 is arranged on the strip-shaped hole 4-32 in a penetrating way and is in clearance fit. Thus, when one end of the pressing plate 4-3 rotates along the center of the round hole 4-31, the second rotating shaft 4-5 slightly displaces in the length direction of the strip-shaped hole 4-32, and the pressing plate 4-3 is prevented from being completely blocked when moving.
The center of the clamp disc body 1 is provided with a mounting hole 1-1, the mounting hole 1-1 comprises an upper step hole 1-11 and a lower step hole 1-12, the plunger sleeve positioning ring 5 is mounted in the upper step hole 1-11, the upper step hole 1-11 limits downward movement of the plunger sleeve positioning ring 5, the plunger sleeve ejector rod 7 is mounted in the lower step hole 1-12, the plunger sleeve ejector rod 7 is provided with a baffle ring, the baffle ring is matched with a large hole at the upper end of the lower step hole 1-12 and can prevent the plunger sleeve ejector rod 7 from falling downwards, and the lower end of the plunger sleeve ejector rod 7 extends downwards out of the clamp disc body 1.
When the utility model is used for clamping, the second end N-2 of the plunger sleeve N is firstly inserted into the plunger sleeve positioning ring 5 to realize concentric positioning; then the telescopic driving cylinder 2 is started to work, the telescopic driving cylinder 2 drives the push plate 3 to move downwards, the push plate 3 simultaneously moves downwards through the guide rods 4-2 of the two pressing mechanisms 4, the guide rods 4-2 drive one end of the pressing plate 4-3 to rotate on the upper end of the supporting rod 4-1, and the other end of the pressing plate 4-3 downwards presses the lug N-4 on the plunger sleeve N; because the two pressing mechanisms 4 are symmetrically distributed, the two pressing plates 4-3 can symmetrically press the two sides of the lug N-4 so as to realize accurate positioning and firm clamping and pressing of the plunger sleeve N, and meanwhile, the device has the advantages of simple operation, less clamping time and the like. The clamp can be arranged on a workbench on a machine tool, and after the clamping is finished, the first end surface N-1 of the plunger sleeve can be machined on the machine tool. After the machining is finished, the telescopic driving cylinder 2 can be started to drive the push plate 3 to move upwards, the push plate 3 simultaneously moves upwards through the guide rods 4-2 of the two pressing mechanisms 4, the guide rods 4-2 drive one end of the pressure plate 4-3 to rotate reversely on the upper end of the supporting rod 4-1, and the other end of the pressure plate 4-3 is upwards loosened and is far away from a lug N-4 on the plunger sleeve N; because the two pressing mechanisms 4 are symmetrically distributed, the two pressing plates 4-3 are symmetrically loosened and far away from the lug N-4; and in the upward movement process of the push plate 3, the push plate 3 can upwards touch the lower end of the plunger sleeve ejector rod 7 and drive the plunger sleeve ejector rod 7 to move upwards, the upper end of the plunger sleeve ejector rod 7 extends into the plunger sleeve positioning ring 5 and moves the second end N-2 of the plunger sleeve N upwards from the plunger sleeve positioning ring 5 to move and push the plunger sleeve N loose, and then the plunger sleeve N can be easily taken out.
Further, the plunger piston comprises a pressing sleeve 7, wherein the pressing sleeve 7 is used for being sleeved on an excircle step part N-3 of the plunger sleeve N, and a pressed boss 7-1 is arranged on the outer wall of the lower end of the pressing sleeve 7. During pressing, the two pressing plates 4-3 symmetrically press two sides of the pressed boss 7-1 on the pressing sleeve 7, then the lug N-4 is pressed through the pressing sleeve 7, indirect pressing can be achieved to replace direct pressing, the situation that the surface of the lug N-4 is damaged due to direct contact between the two pressing plates 4-3 and the lug N-4 can be avoided, and further the surface accuracy of the plunger sleeve N is protected.
Furthermore, the outer wall of the upper end of the pressing sleeve 7 is provided with a conical surface 7-2. Referring to fig. 6, after processing, the pressing sleeve 7 and the plunger sleeve N are integrally taken out and can be placed on the workpiece holder 9, and the pressing sleeve 7 is inserted into the tapered hole 9-1 of the workpiece holder 9 through the tapered surface 7-2 of the pressing sleeve 7, so that the surface damage of the plunger sleeve N can be avoided, and the plunger sleeve N is prevented from shaking.
Further, the push plate mechanism also comprises a sleeve 8, and the push plate 3 is positioned in the sleeve 8; the upper end of the barrel sleeve 8 is provided with an upper connecting ring 8-1, and the upper connecting ring 8-1 is fixedly connected with the lower end of the clamp disc body 1; the lower end of the cylinder sleeve 8 is provided with a lower connecting disc 8-2, the telescopic driving cylinder 2 is fixed on the lower connecting disc 8-2, and the output end of the telescopic driving cylinder 2 faces upwards and penetrates out of the lower connecting disc 8-2 to be fixedly connected with the middle part of the push plate 3. The sleeve 8 is used for covering and protecting the push plate 3, so that the danger caused by the movement of the push plate 3 can be reduced and avoided. And the lower connecting disc 8-2 can be used for connecting with a chuck of a machine tool.
Example two: referring to fig. 7-8, a first end face fixture for processing a plunger sleeve comprises a fixture disc body 1, a telescopic driving cylinder 2, a push plate 3, two pressing mechanisms 4, a plunger sleeve positioning ring 5 and a plunger sleeve ejector rod 6.
The fixture disc body 1 is horizontally arranged and the two pressing mechanisms 4 are symmetrically distributed along the central line of the fixture disc body 1.
The pressing mechanism 4 comprises a supporting rod 4-1, a guide rod 4-2 and a pressing plate 4-3, the supporting rod 4-1 and the guide rod 4-2 are vertically arranged and are parallel at intervals, the lower end of the supporting rod 4-1 is fixedly connected with the clamp disc body 1, the guide rod 4-2 penetrates through the clamp disc body 1, one end of the pressing plate 4-3 faces back to the central line of the clamp disc body 1 and is rotatably connected with the upper end of the supporting rod 4-1, the middle part of the pressing plate 4-3 is rotatably connected with the upper end of the guide rod 4-2, and the other end of the pressing plate 4-3 faces the central line of the clamp disc body 1.
Specifically, a guide rod through hole 1-2 is arranged on the clamp disc body 1, and the guide rod 4-2 is in clearance fit with the guide rod through hole 1-2.
The push plate 3 is positioned below the clamp disc body 1, the output end of the telescopic driving cylinder 2 is fixedly connected with the push plate 3, and the lower ends of the guide rods 4-2 of the two pressing mechanisms 4 are connected with the push plate 3.
In this embodiment, the lower ends of the guide rods 4-2 of the two pressing mechanisms 4 are hinged with two side portions of the push plate 3 respectively.
In addition, preferably, one end of the pressure plate 4-3 is provided with a first round hole, the upper end of the supporting rod 4-1 is fixed with a first rotating shaft 4-4, and the first rotating shaft 4-4 is arranged on the first round hole in a penetrating way and is in clearance fit; a strip-shaped hole or a second round hole is arranged in the middle of the pressure plate 4-3, a second rotating shaft 4-5 is fixed at the upper end of the guide rod 4-2, and the second rotating shaft 4-5 is arranged on the strip-shaped hole or the second round hole in a penetrating way and is in clearance fit.
The center of the clamp disc body 1 is provided with a mounting hole 1-1, the mounting hole 1-1 comprises an upper step hole 1-11 and a lower step hole 1-12, the plunger sleeve positioning ring 5 is mounted in the upper step hole 1-11, the plunger sleeve ejector rod 7 is mounted in the lower step hole 1-12, and the lower end of the plunger sleeve ejector rod 7 extends downwards out of the clamp disc body 1.
When the utility model is used for clamping, the second end N-2 of the plunger sleeve N is firstly inserted into the plunger sleeve positioning ring 5 to realize concentric positioning; then the telescopic driving cylinder 2 is started to work, the telescopic driving cylinder 2 drives the push plate 3 to move downwards, the push plate 3 simultaneously moves downwards through the guide rods 4-2 of the two pressing mechanisms 4, the guide rods 4-2 drive one end of the pressing plate 4-3 to rotate on the upper end of the supporting rod 4-1, and the other end of the pressing plate 4-3 downwards presses the lug N-4 on the plunger sleeve N; because the two pressing mechanisms 4 are symmetrically distributed, the two pressing plates 4-3 can symmetrically press the two sides of the lug N-4 so as to realize accurate positioning and firm clamping and pressing of the plunger sleeve N, and meanwhile, the device has the advantages of simple operation, less clamping time and the like. The clamp can be arranged on a workbench on a machine tool, and after the clamping is finished, the first end surface N-1 of the plunger sleeve can be machined on the machine tool. After the machining is finished, the telescopic driving cylinder 2 can be started to drive the push plate 3 to move upwards, the push plate 3 simultaneously moves upwards through the guide rods 4-2 of the two pressing mechanisms 4, the guide rods 4-2 drive one end of the pressure plate 4-3 to rotate reversely on the upper end of the supporting rod 4-1, and the other end of the pressure plate 4-3 is upwards loosened and is far away from a lug N-4 on the plunger sleeve N; because the two pressing mechanisms 4 are symmetrically distributed, the two pressing plates 4-3 are symmetrically loosened and far away from the lug N-4; and in the upward movement process of the push plate 3, the push plate 3 can upwards touch the lower end of the plunger sleeve ejector rod 7 and drive the plunger sleeve ejector rod 7 to move upwards, the upper end of the plunger sleeve ejector rod 7 extends into the plunger sleeve positioning ring 5 and moves the second end N-2 of the plunger sleeve N upwards from the plunger sleeve positioning ring 5 to move and push the plunger sleeve N loose, and then the plunger sleeve N can be easily taken out.
Further, the plunger piston comprises a pressing sleeve 7, wherein the pressing sleeve 7 is used for being sleeved on an excircle step part N-3 of the plunger sleeve N, and a pressed boss 7-1 is arranged on the outer wall of the lower end of the pressing sleeve 7. During pressing, the two pressing plates 4-3 symmetrically press two sides of the pressed boss 7-1 on the pressing sleeve 7, then the lug N-4 is pressed through the pressing sleeve 7, indirect pressing can be achieved to replace direct pressing, the situation that the surface of the lug N-4 is damaged due to direct contact between the two pressing plates 4-3 and the lug N-4 can be avoided, and further the surface accuracy of the plunger sleeve N is protected.
Furthermore, the outer wall of the upper end of the pressing sleeve 7 is provided with a conical surface 7-2. After processing, the pressing sleeve 7 and the plunger sleeve N are integrally taken out and can be placed on the workpiece frame 9, and the pressing sleeve 7 and the plunger sleeve N are inserted into a taper hole 9-fit on the workpiece frame 9 through the tapered surface 7-2 of the pressing sleeve 7, so that the surface damage of the plunger sleeve N can be avoided, and the plunger sleeve N is prevented from shaking.
Further, the push plate mechanism also comprises a sleeve 8, and the push plate 3 is positioned in the sleeve 8; the upper end of the barrel sleeve 8 is provided with an upper connecting ring 8-1, and the upper connecting ring 8-1 is fixedly connected with the lower end of the clamp disc body 1; the lower end of the cylinder sleeve 8 is provided with a lower connecting disc 8-2, the telescopic driving cylinder 2 is fixed on the lower connecting disc 8-2, and the output end of the telescopic driving cylinder 2 faces upwards and penetrates out of the lower connecting disc 8-2 to be fixedly connected with the middle part of the push plate 3. The sleeve 8 is used for covering and protecting the push plate 3, so that the danger caused by the movement of the push plate 3 can be reduced and avoided. And the lower connecting disc 8-2 can be used for connecting with a chuck of a machine tool.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (4)
1. The utility model provides a first terminal surface anchor clamps of plunger bushing processing which characterized in that: the clamp comprises a clamp disc body (1), a telescopic driving cylinder (2), a push plate (3), two pressing mechanisms (4), a plunger sleeve positioning ring (5) and a plunger sleeve ejector rod (6);
the clamp disc body (1) is horizontally arranged, and the two pressing mechanisms (4) are symmetrically distributed along the central line of the clamp disc body (1);
the pressing mechanism (4) comprises a supporting rod (4-1), guide rods (4-2) and a pressing plate (4-3), the supporting rod (4-1) and the guide rods (4-2) are vertically arranged and are parallel at intervals, the lower end of the supporting rod (4-1) is fixedly connected with the clamp disc body (1), the guide rods (4-2) penetrate through the clamp disc body (1), one end of the pressing plate (4-3) faces back to the central line of the clamp disc body (1) and is rotatably connected with the upper end of the supporting rod (4-1), the middle of the pressing plate (4-3) is rotatably connected with the upper end of the guide rods (4-2), and the other end of the pressing plate (4-3) faces the central line of the clamp disc body (1);
the push plate (3) is positioned below the clamp disc body (1), the output end of the telescopic driving cylinder (2) is fixedly connected with the push plate (3), and the lower ends of the guide rods (4-2) of the two pressing mechanisms (4) are connected with the push plate (3);
the center of the clamp disc body (1) is provided with a mounting hole (1-1), the mounting hole (1-1) comprises an upper step hole (1-11) and a lower step hole (1-12), the plunger sleeve positioning ring (5) is mounted in the upper step hole (1-11), the plunger sleeve ejector rod (6) is mounted in the lower step hole (1-12), and the lower end of the plunger sleeve ejector rod (6) extends out of the clamp disc body (1) downwards.
2. The plunger barrel processing first end surface fixture of claim 1, wherein: the plunger piston is characterized by further comprising a pressing sleeve (7), wherein the pressing sleeve (7) is used for being sleeved on an outer circle step part (N-3) of the plunger sleeve (N), and a pressed boss (7-1) is arranged on the outer wall of the lower end of the pressing sleeve (7).
3. The plunger barrel processing first end surface fixture of claim 2, wherein: the outer wall of the upper end of the pressing sleeve (7) is provided with a conical surface (7-2).
4. A plunger sleeve machining first end surface fixture according to any one of claims 1-3, characterised in that: the push plate mechanism also comprises a cylinder sleeve (8), and the push plate (3) is positioned in the cylinder sleeve (8);
the upper end of the barrel sleeve (8) is provided with an upper connecting ring (8-1), and the upper connecting ring (8-1) is fixedly connected with the lower end of the clamp disc body (1);
the lower end of the sleeve (8) is provided with a lower connecting disc (8-2), the telescopic driving cylinder (2) is fixed on the lower connecting disc (8-2), and the output end of the telescopic driving cylinder (2) faces upwards and penetrates through the lower connecting disc (8-2) to be fixedly connected with the middle part of the push plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021465330.5U CN212683255U (en) | 2020-07-22 | 2020-07-22 | First terminal surface anchor clamps of plunger bushing processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021465330.5U CN212683255U (en) | 2020-07-22 | 2020-07-22 | First terminal surface anchor clamps of plunger bushing processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212683255U true CN212683255U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021465330.5U Expired - Fee Related CN212683255U (en) | 2020-07-22 | 2020-07-22 | First terminal surface anchor clamps of plunger bushing processing |
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| Country | Link |
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| CN (1) | CN212683255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115519472A (en) * | 2022-09-01 | 2022-12-27 | 衡阳市精峰机械有限公司 | Single-end-face clamping and positioning device for machining plunger sleeve |
-
2020
- 2020-07-22 CN CN202021465330.5U patent/CN212683255U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115519472A (en) * | 2022-09-01 | 2022-12-27 | 衡阳市精峰机械有限公司 | Single-end-face clamping and positioning device for machining plunger sleeve |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20210312 |