Fixing device for processing variable disc of plunger pump

Abstract

The utility model discloses a fixing device for processing a variable disc of a plunger pump. The fixing device comprises a bottom plate, the fixing disc is fixedly arranged in the middle of the upper side of the bottom plate, first sliding blocks are oppositely arranged on the upper side of the fixing disc, the first sliding blocks are slidably connected with the fixing disc, a second sliding block is slidably arranged between the two first sliding blocks, and the second sliding block is connected with the fixing disc; the fixing blocks are detachably arranged on the opposite outer sides of the first sliding blocks, and first supporting shafts are arranged on the opposite outer sides of the fixing blocks side by side; the supporting blocks are arranged on the upper side of the bottom plate and located on the two sides of the fixing disc, and positioning pins are arranged on the upper sides of the supporting blocks; the fixing seats are arranged at the left end and the right end of the bottom plate, and second supporting shafts are arranged on the opposite inner sides of the fixing seats. The utility model can solve the problems that the existing fixing device adopts a clamp or a pressing plate for fixing, the accurate position of the variable disc cannot be kept, and the qualification rate is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to plunger pump processing technical field, concretely is a kind of fixing device for plunger pump variable disc processing. BACKGROUND

[0002] Variable disc is a key component in plunger pump, it is responsible for adjusting the stroke of plunger, thereby control the flow and pressure of pump. Because the shape and size of variable disc are various, and high machining precision is required, thus in the machining process, a reliable fixing device is needed to ensure the machining quality. Traditional fixing device often uses clamp or pressing plate, cannot adapt to variable disc of different shape and size, leading to poor fixing effect. Therefore, design a new fixing device for plunger pump variable disc processing to meet the present use demand. SUMMARY

[0003] The utility model provides a kind of fixing device for plunger pump variable disc processing, can solve the problem that the fixing device of existing fixed using clamp or pressing plate, cannot keep the accurate position of variable disc, leading to low qualified rate.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of fixing device for plunger pump variable disc processing, including bottom plate;Fixed disc, it is fixedly arranged in the upper side middle part of the bottom plate, the upper side of the fixed disc is oppositely provided with first sliding block, the first sliding block is slidably connected with the fixed disc, second sliding block is slidably arranged between the two first sliding blocks, the second sliding block is connected with the fixed disc by fastener passing through it;Fixed block, it is detachably arranged in the opposite outer side of the first sliding block, the opposite outer side of the fixed block is provided with first support shaft side by side;Support block, it is oppositely arranged in the upper side of the bottom plate and located at the two sides of the fixed disc, the upper side of the support block is provided with positioning pin;Fixed seat, the fixed seat is arranged in the left and right ends of the bottom plate, the opposite inner side of the fixed seat is provided with the second support shaft corresponding with the first support shaft, the space between the fixed seat and the fixed block is used to place variable disc, can realize the accurate fixing of plunger pump variable disc, reduce displacement and vibration in the machining process, to significantly improve machining precision.

[0005] As preferred, the fixed disc is provided with sliding slot matched with the first sliding block, simple structure, easy to install.

[0006] As preferred, the opposite inner side of the fixed seat and the fixed block is provided with anti-skid block, the fixed seat and the fixed block are provided with first installation slot and second installation slot matched with the anti-skid block, simple structure, easy to process.

[0007] As preferred, the bottom plate is provided with third installation slot matched with the fixed seat, convenient to install.

[0008] As preferred, the upper two ends of the bottom plate are provided with handles for the operator to carry the fixing device.

[0009] As preferred, support sleeves are arranged side by side in the fixing seat, and the second support shaft is connected with the support sleeves, so that the connection is stable.

[0010] As preferred, springs are arranged in the support sleeves, and the lower ends of the springs abut against the bottom plate, so as to reset the second support shaft.

[0011] As preferred, long strip-shaped grooves matched with the second support shaft are arranged on the fixing seat, so as to facilitate adjustment of the second support shaft.

[0012] Compared with the prior art, the fixing device has the beneficial effects that:

[0013] The fixing device has the advantages of simple structure, convenient operation, stable fixing of the variable disc of the plunger pump, convenient machining operation, improved machining precision and production efficiency, and strong practicability and universality. The device can solve the problem of low qualified rate caused by the fact that the existing fixing device cannot keep the accurate position of the variable disc. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective view of the fixing device;

[0015] Figure 2 is a perspective view of the clamped product state of the fixing device;

[0016] Figure 3 is a sectional view of the fixing seat of the fixing device;

[0017] Figure 4 is a perspective view of the fixing seat of the fixing device;

[0018] Figure 5 is a perspective view of the fixing disc of the fixing device.

[0019] REFERENCE SIGNS:

[0020] 1, bottom plate, 101, third mounting groove, 2, fixing disc, 21, sliding groove, 3, first sliding block, 4, second sliding block, 5, fixing block, 51, second mounting groove, 6, support block, 7, fixing seat, 71, first mounting groove, 72, long strip-shaped groove, 8, variable disc, 9, handle, 10, anti-skid block, 11, positioning pin, 12, first support shaft, 13, second support shaft, 14, support sleeve, 15, spring. DETAILED DESCRIPTION

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] like Figures 1-5 As shown, this utility model addresses the problem that existing fixing devices, which use clamps or pressure plates for fixing, cannot maintain the precise position of the variable disk, resulting in a low pass rate. The present invention provides the following technical solution: A fixing device for machining the variable disk of a plunger pump, comprising a base plate 1; a fixing disk 2, which is fixedly disposed on the upper middle part of the base plate 1, with a first slider 3 oppositely disposed on the upper side of the fixing disk 2, the first slider 3 being slidably connected to the fixing disk 2, a second slider 4 slidably disposed between the two first sliders 3, the second slider 4 being connected to the fixing disk 2 by fasteners passing through it; and a fixing block 5, which is detachably disposed on the first slider. On the outer side of the fixed block 5, a first support shaft 12 is arranged side by side; a support block 6 is arranged on the upper side of the base plate 1 on both sides of the fixed disk 2, and a positioning pin 11 is arranged on the upper side of the support block 6; a fixed seat 7 is arranged at the left and right ends of the base plate 1, and a second support shaft 13 corresponding to the first support shaft 12 is arranged on the inner side of the fixed seat 7. The space between the fixed seat 7 and the fixed block 5 is used to place the variable disk 8, which can realize the precise fixation of the plunger pump variable disk, reduce displacement and vibration during the processing, and thus significantly improve the processing accuracy.

[0023] In this embodiment, as Figure 5 As shown, the fixed plate 2 is provided with a groove 21 that matches the first slider 3, which has a simple structure and is easy to install.

[0024] In this embodiment, as Figure 1 and Figure 4 As shown, anti-slip blocks 10 are provided on the inner sides of the fixed base 7 and the fixed block 5. The fixed base 7 and the fixed block 5 are provided with a first mounting groove 71 and a second mounting groove 51 that match the anti-slip blocks 10. The structure is simple and easy to process.

[0025] In this embodiment, as Figure 2 As shown, the base plate 1 is provided with a third mounting groove 101 that matches the fixed seat 7, which facilitates installation.

[0026] In this embodiment, as Figure 2 As shown, handles 9 are provided at both ends of the upper side of the base plate 1 for operators to move this fixing device.

[0027] In this embodiment, as Figure 3 As shown, a support sleeve 14 is arranged side by side inside the fixed base 7, and the second support shaft 13 is connected to the support sleeve 14, and the connection is stable.

[0028] In the embodiment, as shown in the figure, the spring 15 is arranged in the support sleeve 14, the lower end of the spring 15 abuts against the bottom plate 1, and is used for resetting the second support shaft 13. Figure 3

[0029] In the embodiment, as shown in the figure, the long slot 72 matched with the second support shaft 13 is arranged on the fixed seat 7, and the second support shaft 13 is conveniently adjusted. Figure 4

[0030] In the embodiment, as shown in the figure, the operator places the two variable discs 8 between the fixed seat 7 and the fixed block 5, the positioning pin 11 is inserted into the hole of the variable disc 8, the variable disc 8 is overlapped on the first support shaft 12 and the second support shaft 13, the fastener is passed through the second sliding block 4, the second sliding block 4 moves the first sliding block 3 along the sliding groove 21, the fixed seat 7 and the fixed block 5 clamp the variable disc 8, after confirming that the variable disc 8 is clamped firmly, the handle 9 places the device at the machining position, and the machining operation is started; after the machining is completed, the fastener on the second sliding block 4 is loosened, and the variable disc 8 is taken out. Figure 2 It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used for explaining the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0031] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0032] In the utility model, unless otherwise specifically defined and limited, the terms "connection", "fixing" and the like should be understood in a broad sense, for example, "fixing" can be fixed connection, can also be detachable connection, or can be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0033]

[0034] ​​​In addition, the technical solutions of various embodiments of the utility model can be combined with each other, but must be based on that a person having ordinary skill in the art can realize, when the combination of technical solutions appears mutual contradiction or cannot be realized, it should be considered that the combination of such technical solutions does not exist, also not within the protection scope required by the utility model.

Claims

1. A fixing device for machining the variable displacement disc of a plunger pump, characterized in that, include: Base plate (1); A fixed plate (2) is fixedly disposed on the upper middle part of the base plate (1). A first slider (3) is disposed opposite to the upper side of the fixed plate (2). The first slider (3) is slidably connected to the fixed plate (2). A second slider (4) is slidably disposed between the two first sliders (3). The second slider (4) is connected to the fixed plate (2) by fasteners passing through it. A fixing block (5) is detachably disposed on the opposite outer side of the first slider (3), and a first support shaft (12) is disposed side by side on the opposite outer side of the fixing block (5); Support block (6) is disposed on the upper side of the base plate (1) on both sides of the fixed plate (2), and positioning pin (11) is provided on the upper side of the support block (6); The fixed seat (7) is located at the left and right ends of the base plate (1). A second support shaft (13) corresponding to the first support shaft (12) is provided on the inner side of the fixed seat (7). The space between the fixed seat (7) and the fixed block (5) is used to place the variable disk (8).

2. The fixing device for machining the variable disk of a plunger pump according to claim 1, characterized in that: The fixed plate (2) is provided with a groove (21) that matches the first slider (3).

3. The fixing device for machining the variable displacement disc of a plunger pump according to claim 1, characterized in that: Anti-slip blocks (10) are provided on the inner sides of the fixed base (7) and the fixed block (5), and a first mounting groove (71) and a second mounting groove (51) matching the anti-slip blocks (10) are provided on the fixed base (7) and the fixed block (5).

4. The fixing device for machining the variable disk of a plunger pump according to claim 1, characterized in that: The base plate (1) is provided with a third mounting groove (101) that matches the fixing seat (7).

5. The fixing device for machining the variable displacement disc of a plunger pump according to claim 1, characterized in that: The base plate (1) is provided with handles (9) at both ends of its upper side.

6. The fixing device for machining the variable disk of a plunger pump according to claim 1, characterized in that: The fixed base (7) is provided with a support sleeve (14) arranged side by side, and the second support shaft (13) is connected to the support sleeve (14).

7. The fixing device for machining the variable disk of a plunger pump according to claim 6, characterized in that: A spring (15) is provided inside the support sleeve (14), and the lower end of the spring (15) abuts against the base plate (1).

8. The fixing device for machining the variable disk of a plunger pump according to claim 1, characterized in that: The fixed base (7) is provided with a long strip-shaped slot (72) that matches the second support shaft (13).

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