Machining fixing mechanism and plunger pump

Abstract

The utility model provides a machining fixing mechanism and a plunger pump, and belongs to the technical field of plunger pump machining. The machining fixing mechanism comprises a base and a clamping assembly. The base is rotationally connected with a first double-thread screw. The number of the clamping assemblies is two, each clamping assembly comprises a supporting rod, a second double-thread screw, a fixing plate, a fixing rod, a clamping plate and a fixing block, during use, when the clamping plates need to be detached and replaced, the second double-thread screws drive the two fixing plates to move reversely, and then the two fixing rods can be separated from the interiors of the fixing blocks; then, the clamping plate and the fixing block can be moved upwards, so that the clamping plate and the fixing block are disassembled and replaced, the clamping plate can be replaced according to the model specification of the plunger pump, different machining fixing mechanisms do not need to be prepared according to different plunger pumps, the cost can be reduced, and the machining efficiency is improved. And the practicability is high.

Description

TECHNICAL FIELD

[0001] The application relates to the field of processing of a plunger pump, in particular to a processing fixing mechanism and a plunger pump. BACKGROUND

[0002] The plunger pump is an important device of a hydraulic system. The plunger pump relies on the reciprocating movement of a plunger in a cylinder to change the volume of a sealed working cavity to realize oil suction and oil compression. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency and convenient flow regulation, and the like. In the processing of the plunger pump (for example, in drilling processing), in order to ensure the stability of the plunger pump cylinder, a clamping device is usually used to clamp and fix the plunger pump. The volume of the plunger pump varies with the type and specification, and in order to ensure the stability of clamping and fixing, different clamping devices are usually required for different plunger pumps.

[0003] However, in the traditional processing clamping device technology of the plunger pump, the clamping plate structure for clamping the plunger pump is directly fixed and cannot be disassembled and replaced. The clamping plate structure cannot be disassembled and replaced according to the type and specification of the plunger pump, which makes it necessary to prepare different clamping devices for different plunger pumps, resulting in high cost and low practicability. CONTENT OF THE INVENTION

[0004] In order to make up for the above shortcomings, the application provides a processing fixing mechanism and a plunger pump, which aims to improve the problem that the clamping plate structure cannot be disassembled and replaced according to the type and specification of the plunger pump, resulting in high cost and low practicability.

[0005] In a first aspect, the application provides a processing fixing mechanism, which comprises a base and a clamping assembly.

[0006] The base is rotationally connected with a first double-headed screw rod.

[0007] The clamping assembly is provided with two groups, and each of the two groups comprises a supporting rod, a second double-headed screw rod, a fixed plate, a fixed rod, a clamping plate and a fixed block. The two supporting rods are respectively threadedly connected with two ends of the first double-headed screw rod, and the two supporting rods are slidingly connected with the base. The second double-headed screw rod is rotationally connected with the supporting rod. The fixed plate is provided with two fixed plates, and the two fixed plates are respectively threadedly connected with two ends of the second double-headed screw rod. The two fixed plates are slidingly connected with the supporting rod. The fixed rod is provided with two fixed rods, and the two fixed rods are respectively connected with the two fixed plates. The fixed block is connected with the clamping plate. The fixed block is slidingly inserted into the inside of the supporting rod, and the two fixed rods are slidingly inserted into the inside of the fixed block.

[0008] In a specific implementation form, the seat body of the base is provided with a first connecting slot, the first double-headed screw is rotationally connected to the inside of the first connecting slot, one end of the first double-headed screw rotationally penetrates the seat body of the base, and the one end of the first double-headed screw is provided with a first rotating hand wheel.

[0009] In a specific implementation form, the inside of the first connecting slot is provided with a limiting rod, the limiting rod is provided with two, the two limiting rods are symmetrically arranged above and below the first double-headed screw, the bottom ends of the two groups of support rods are both slidingly connected to the inside of the first connecting slot, and the bottom ends of the two groups of support rods are both slidingly sleeved on the rod bodies of the two limiting rods.

[0010] In a specific implementation form, one side of the support rod is provided with a connecting plate, the second double-headed screw is rotationally connected with the connecting plate, and one end of the second double-headed screw is provided with a second rotating hand wheel.

[0011] In a specific implementation form, the plate body of the connecting plate is provided with a connecting slot, and the second double-headed screw is rotationally connected to the inside of the connecting slot.

[0012] In a specific implementation form, the two fixing plates are both slidingly connected to the inside of the connecting slot, and the two fixing plates are symmetrically arranged on the two sides of the support rod.

[0013] In a specific implementation form, the two fixing rods are symmetrically arranged on the two sides of the support rod, and the two fixing rods are both slidingly inserted into the inside of the support rod.

[0014] In a specific implementation form, the top end of the support rod is provided with a slot, the fixing block is slidingly inserted into the inside of the slot, and the two fixing rods are both slidingly inserted into the inside of the slot.

[0015] In a specific implementation form, the inside of the slot is provided with a positioning block, and the fixing block is slidingly sleeved on the block body of the positioning block.

[0016] In a second aspect, the embodiments of the present application further provide a plunger pump, which comprises the machining fixing mechanism and the plunger pump.

[0017] The plunger pump is arranged above the base, and the two groups of clamping plates are symmetrically arranged on the two sides of the plunger pump.

[0018] The utility model discloses a beneficial effect is: the utility model discloses a kind of processing fixed mechanism and plunger pump by above-mentioned design, when using, when needing to disassemble and replace clamping plate, rotate second double-end screw rod, two fixed plates are reversedly moved by second double-end screw rod, further drive two fixed rods to be reversedly moved, further can make two fixed rods all separate from the inside of fixed block, then clamping plate and fixed block can be moved upwards, further completed the disassembly of clamping plate and fixed block, further can replace clamping plate and fixed block, further can replace clamping plate according to the model specification of plunger pump, further need not prepare different this processing fixed mechanism according to different plunger pump, further can reduce cost, and practicality is higher. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0020] Figure 1 is the processing fixed mechanism and plunger pump structure schematic view provided by the embodiments of the present application;

[0021] Figure 2 is the base cross-sectional structure schematic view provided by the embodiments of the present application;

[0022] Figure 3 is the first view angle structure schematic view of clamping assembly provided by the embodiments of the present application;

[0023] Figure 4 is the second view angle structure schematic view of clamping assembly provided by the embodiments of the present application;

[0024] Figure 5 is the top view cross-sectional structure schematic view of connecting plate provided by the embodiments of the present application.

[0025] In the drawing: 100-base;101-first connecting groove;102-limiting rod;110-first double-end screw rod;111-first rotary hand wheel;200-clamping assembly;210-supporting rod;211-connecting plate;212-connecting groove;213-slot;214-positioning block;220-second double-end screw rod;230-fixed plate;231-second rotary hand wheel;240-fixed rod;250-clamping plate;260-fixed block;300-plunger pump. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described below in combination with the drawings in the embodiments of the present application.

[0027] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort fall within the protection scope of the present application.

[0028] Referring to Figure 1 The machining fixing mechanism comprises a base 100 and a clamping assembly 200.

[0029] Referring to Figure 1 and 2 The base 100 is rotationally connected with a first double-headed screw rod 110. The base 100 is provided with a first connecting groove 101 in the seat body. The first double-headed screw rod 110 is rotationally connected in the first connecting groove 101. One end of the first double-headed screw rod 110 rotationally penetrates the seat body of the base 100. The one end of the first double-headed screw rod 110 is provided with a first rotary hand wheel 111. The first connecting groove 101 is provided with a limiting rod 102 in the inside. The limiting rod 102 is provided with two rods. The two limiting rods 102 are symmetrically arranged above and below the first double-headed screw rod 110.

[0030] Referring to Figures 1-5 The clamping assembly 200 is provided with two groups. Each of the two groups of clamping assemblies 200 comprises a supporting rod 210, a second double-headed screw rod 220, a fixed plate 230, a fixed rod 240, a clamping plate 250 and a fixed block 260. Two groups of supporting rods 210 are respectively threadedly connected with two heads of the first double-headed screw rod 110. The bottom ends of the two groups of supporting rods 210 are respectively threadedly sleeved on the two heads of the first double-headed screw rod 110. The two groups of supporting rods 210 are symmetrically arranged. The two groups of supporting rods 210 are slidably connected with the base 100. The bottom ends of the two groups of supporting rods 210 are slidably connected in the inside of the first connecting groove 101. The bottom ends of the two groups of supporting rods 210 are slidably sleeved on the rod bodies of the two limiting rods 102.

[0031] In the embodiment, the second double-headed screw rod 220 is rotationally connected with the supporting rod 210. One side of the supporting rod 210 is provided with a connecting plate 211. The second double-headed screw rod 220 is rotationally connected with the connecting plate 211. The plate body of the connecting plate 211 is provided with a connecting groove 212. The second double-headed screw rod 220 is rotationally connected in the inside of the connecting groove 212. One end of the second double-headed screw rod 220 is provided with a second rotary hand wheel 231.

[0032] In the application, the fixing plates 230 are provided with two, and the two fixing plates 230 are respectively threadedly connected with two heads of the second double-headed screw 220, the two fixing plates 230 are respectively threadedly sleeved on the two heads of the second double-headed screw 220, the two fixing plates 230 are respectively slidably connected with the support rod 210, the two fixing plates 230 are respectively slidably connected in the inside of the connecting groove 212, and the two fixing plates 230 are symmetrically arranged on the two sides of the support rod 210.

[0033] In the specific arrangement, the fixing rods 240 are provided with two, the two fixing rods 240 are respectively connected with the two fixing plates 230, the two fixing rods 240 are symmetrically arranged on the two sides of the support rod 210, and the two fixing rods 240 are respectively slidably inserted into the inside of the support rod 210.

[0034] In the embodiment, the fixing block 260 is connected with the clamping plate 250, the fixing block 260 is slidably inserted into the inside of the support rod 210, the two fixing rods 240 are respectively slidably inserted into the inside of the fixing block 260, the top end of the support rod 210 is provided with the insertion groove 213, the fixing block 260 is slidably inserted into the inside of the insertion groove 213, the inside of the insertion groove 213 is provided with the positioning block 214, the fixing block 260 is slidably sleeved on the block body of the positioning block 214, and the two fixing rods 240 are respectively slidably inserted into the inside of the insertion groove 213.

[0035] Please refer to Figure 1 The application further provides a plunger pump, which comprises the machining fixing mechanism and a plunger pump 300.

[0036] Please refer to Figure 1 and 3 The plunger pump 300 is arranged above the base 100, and the two groups of clamping plates 250 are symmetrically arranged on the two sides of the plunger pump 300.

[0037] Specifically, the working principle of the machining fixing mechanism and the plunger pump: in use, the plunger pump 300 is placed above the base 100, then the first rotating hand wheel 111 and the first double-headed screw rod 110 can be rotated, the first double-headed screw rod 110 drives the two groups of supporting rods 210 to move relatively, and then drives the two groups of clamping plates 250 to move relatively, so that the two groups of clamping plates 250 can clamp and fix the plunger pump 300 on the base 100, when it is needed to disassemble and replace the clamping plate 250, the second rotating hand wheel 231 and the second double-headed screw rod 220 are rotated, the second double-headed screw rod 220 drives the two fixed plates 230 to move reversely, and then drives the two fixed rods 240 to move reversely, so that the two fixed rods 240 are both separated from the inside of the fixed block 260, then the clamping plate 250 and the fixed block 260 can be moved upward, and then the disassembly of the clamping plate 250 and the fixed block 260 is completed, and then the clamping plate 250 and the fixed block 260 can be replaced, and then the clamping plate 250 can be replaced according to the model and specification of the plunger pump 300, and then different machining fixing mechanisms do not need to be prepared according to different plunger pumps 300, and then the cost can be reduced, and the practicality is higher.

[0038] The above only describes the embodiments of the present application and is not used to limit the protection scope of the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0039] The above only describes the embodiments of the present application and is not used to limit the protection scope of the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0039] The above only describes the embodiments of the present application and is not used to limit the protection scope of the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

Claims

1. A machining fixture characterized by comprising: The utility model provides a kind of double-sided clamping device, including Base (100), first double screw (110) is rotationally connected with the base (100); Clamping assembly (200), clamping assembly (200) is provided with two groups, two groups clamping assembly (200) include support rod (210), second double screw (220), fixed plate (230), fixed rod (240), clamping plate (250) and fixed block (260), two groups support rod (210) are respectively connected with the thread of two ends of first double screw (110), two groups support rod (210) are slidably connected with base (100), second double screw (220) is rotationally connected with support rod (210), fixed plate (230) is provided with two, two fixed plate (230) are respectively connected with the thread of two ends of second double screw (220), two fixed plate (230) are slidably connected with support rod (210), fixed rod (240) is provided with two, two fixed rod (240) are respectively connected with two fixed plate (230), fixed block (260) is connected with clamping plate (250), fixed block (260) is slidably inserted in the inside of support rod (210), two fixed rod (240) are slidably inserted in the inside of fixed block (260).

2. The machining fixture according to claim 1, wherein The seat body of base (100) is provided with first connecting groove (101), first double screw (110) is rotationally connected in the inside of first connecting groove (101), one end of first double screw (110) is rotationally penetrated in the seat body of base (100), one end of first double screw (110) is provided with first rotating hand wheel (111).

3. A machining fixture according to claim 2, wherein The inside of first connecting groove (101) is provided with limit rod (102), limit rod (102) is provided with two, two limit rod (102) are symmetrically arranged above and below first double screw (110), the bottom of two groups support rod (210) is slidably connected in the inside of first connecting groove (101), the bottom of two groups support rod (210) is slidably sleeved on the rod body of two limit rod (102).

4. The machining fixture according to claim 1, wherein One side of support rod (210) is provided with connecting plate (211), second double screw (220) is rotationally connected with connecting plate (211), one end of second double screw (220) is provided with second rotating hand wheel (231).

5. A machining fixture according to claim 4, characterized in that The plate body of connecting plate (211) is provided with connecting groove (212), second double screw (220) is rotationally connected in the inside of connecting groove (212).

6. A machining fixture according to claim 5, wherein Two fixed plates (230) are slidably connected in the inside of connecting groove (212), two fixed plates (230) are symmetrically arranged on the two sides of support rod (210).

7. The machining fixture according to claim 1, wherein Two fixed rods (240) are symmetrically arranged on the two sides of support rod (210), two fixed rods (240) are slidably inserted in the inside of support rod (210).

8. A machining fixture according to claim 7, characterized in that The top end of the support rod (210) is provided with a slot (213), the fixed block (260) is slidingly inserted into the slot (213), and the two fixed rods (240) are slidingly inserted into the slot (213).

9. A machining fixture according to claim 8, wherein The inside of the slot (213) is provided with a positioning block (214), and the fixed block (260) is slidingly sleeved on the block body of the positioning block (214).

10. A plunger pump characterized in that, The machining fixing mechanism of any one of claims 1-9 is included, and The plunger pump (300) is placed above the base (100), and the two groups of clamping plates (250) are symmetrically arranged on the two sides of the plunger pump (300).

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