Plunger pump machining fixing clamp

Abstract

The utility model discloses a plunger pump machining fixing clamp, and relates to the field of plunger pump machining. The fixing clamp comprises a support unit, a clamp unit is arranged on the support unit, the support unit comprises a bottom plate, a supporting rod and a base plate, the bottom of the supporting rod is fixedly connected to the bottom plate, the base plate is fixedly connected to the top of the supporting rod, and the clamp unit comprises a conical sleeve seat, an elastic conical ring, an expansion sleeve and a fastening bolt. The conical sleeve seat is arranged above the base plate, the elastic conical ring is fixedly connected to the conical sleeve seat, the expansion sleeve is connected to the elastic conical ring in a sleeving mode, and the fastening bolt is inserted into the expansion sleeve. According to the fixing clamp, the fastening bolt is moved out of the top end of the hydraulic rod by rotating the fastening bolt, the fastening bolt is taken out of the expansion sleeve, then the expansion sleeve can be taken down from the conical sleeve base, the model of the expansion sleeve can be replaced, and then the fixing clamp can adapt to fixing of plunger pump cylinder bodies with different inner diameters.

Description

TECHNICAL FIELD

[0001] The utility model relates to plunger pump processing technical field, concretely is a kind of plunger pump processing fixed clamp. BACKGROUND

[0002] Plunger pump is an important device of hydraulic system, it relies on plunger reciprocating motion in cylinder, make the volume of sealed working cavity change to realize oil absorption, oil, plunger pump has the advantages such as high rated pressure, compact structure, high efficiency and easy flow regulation, cylinder of plunger pump needs to be fixed by fixed clamp when being processed.

[0003] The clamping inner diameter of the existing part plunger pump cylinder fixed clamp is fixed, can only clamp and fix plunger pump cylinder of one kind of inner diameter, and different inner diameter plunger pump cylinder needs to use relatively corresponding fixed clamp, not only plunger pump cylinder processing efficiency is low, and production and processing cost investment is increased. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of plunger pump processing fixed clamp, solve the clamping inner diameter of the fixed clamp of part plunger pump cylinder, only plunger pump cylinder of one kind of inner diameter can be clamped and fixed, and different inner diameter plunger pump cylinder needs to use relatively corresponding fixed clamp, not only plunger pump cylinder processing efficiency is low, and production and processing cost investment is increased.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of plunger pump processing fixed clamp including support unit, support unit is provided with clamp unit;

[0006] The support unit includes bottom plate, support rod and base plate, the bottom of support rod is fixedly connected on bottom plate, and the base plate is fixedly connected on the top of support rod;

[0007] The clamp unit includes conical sleeve, elastic cone ring, expansion sleeve and fastening bolt, the conical sleeve is arranged at the position above base plate, the elastic cone ring is fixedly connected on conical sleeve, the expansion sleeve is sleeved on elastic cone ring, and the fastening bolt is inserted in expansion sleeve.

[0008] Preferably, the clamp unit further includes cylindrical seat and hydraulic rod, the cylindrical seat is fixedly connected on base plate, the hydraulic rod is inserted in cylindrical seat, and the bottom end of hydraulic rod is connected with hydraulic cylinder.

[0009] Preferably, the conical sleeve is fixedly connected on cylindrical seat.

[0010] Preferably, the conical sleeve is provided with positioning block, and the positioning block is fixedly connected on conical sleeve.

[0011] Preferably, a taper slot is formed in the expansion sleeve, and a positioning slot is formed in the bottom end of the expansion sleeve.

[0012] Preferably, an elastic taper ring is inserted into the taper slot, and a positioning block is inserted into the positioning slot.

[0013] Preferably, the bottom end of the fastening bolt is threadedly connected with the hydraulic rod through the expansion sleeve and the elastic taper ring, and the top end of the fastening bolt abuts against the expansion sleeve.

[0014] Preferably, the top end of the hydraulic rod is inserted into the elastic taper ring, and the top end of the hydraulic rod abuts against the elastic taper ring.

[0015] The utility model discloses a plunger pump machining fixing clamp, which has the following beneficial effects:

[0016] 1. The plunger pump machining fixing clamp is capable of replacing the expansion sleeve of different models, thereby being capable of fixing plunger pump cylinder bodies of different inner diameters, realizing clamping and fixing of plunger pump cylinder bodies of various inner diameter models by a single device, improving the processing efficiency, and reducing the production cost.

[0017] 2. The plunger pump machining fixing clamp is capable of more accurately installing the expansion sleeve on the conical sleeve seat by arranging the positioning block on the conical sleeve seat, thereby improving the replacement efficiency of the expansion sleeve and the production and processing efficiency of the plunger pump cylinder body. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without any creative effort.

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the support unit of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the clamp unit of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the expansion sleeve of the utility model;

[0023] Figure 5 The utility model discloses fastening bolt and hydraulic rod connection schematic drawing.

[0024] In the drawing: 1, support unit, 11, bottom plate, 12, support rod, 13, base plate, 2, clamp unit, 21, cylindrical seat, 22, conical sleeve seat, 221, positioning block, 23, elastic conical ring, 24, expansion sleeve, 241, conical groove, 242, positioning groove, 25, fastening bolt, 26, hydraulic rod. DETAILED DESCRIPTION

[0025] In order to make the utility model embodiment purpose, technical scheme and advantage more clearly, the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is a part of the embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor are within the protection scope of the utility model.

[0026] The utility model embodiment discloses a plunger pump processing fixed clamp.

[0027] According to the drawing Figures 1-5 As shown, including support unit 1, support unit 1 is provided with clamp unit 2, support unit 1 includes bottom plate 11, support rod 12 and base plate 13, and the bottom of support rod 12 is fixedly connected on bottom plate 11, and base plate 13 is fixedly connected on the top of support rod 12.

[0028] It is particularly disclosed that clamp unit 2 includes conical sleeve seat 22, elastic conical ring 23, expansion sleeve 24 and fastening bolt 25, conical sleeve seat 22 is arranged at the upper position of base plate 13, elastic conical ring 23 is fixedly connected on conical sleeve seat 22, expansion sleeve 24 is sleeved on elastic conical ring 23, and fastening bolt 25 is inserted in expansion sleeve 24, by rotating fastening bolt 25, fastening bolt 25 can be taken out from the top of expansion sleeve 24, and then expansion sleeve 24 can be taken off from conical sleeve seat 22, so that the model of expansion sleeve 24 can be replaced, and then the fixing of plunger pump cylinder bodies with different inner diameters can be adapted, single device can be clamped and fixed to plunger pump cylinder bodies with various inner diameter models, not only the processing efficiency is improved, and the production cost input is reduced.

[0029] Further, clamp unit 2 further includes cylindrical seat 21 and hydraulic rod 26, cylindrical seat 21 is fixedly connected on base plate 13, conical sleeve seat 22 is fixedly connected on cylindrical seat 21, hydraulic rod 26 is inserted in cylindrical seat 21, and the bottom end of hydraulic rod 26 is connected with hydraulic cylinder.

[0030] Further, the conical sleeve 22 is provided with a positioning block 221 fixedly connected to the conical sleeve 22. By providing the positioning block 221 on the conical sleeve 22, the positioning groove 242 at the bottom of the expansion sleeve 24 can be sleeved on the positioning block 221 when the expansion sleeve 24 is installed, so that the expansion sleeve 24 can be more accurately installed on the conical sleeve 22, improving the replacement efficiency of the expansion sleeve 24 and the production and processing efficiency of the plunger pump cylinder.

[0031] It is particularly disclosed that a conical groove 241 is formed in the expansion sleeve 24, the elastic cone ring 23 is inserted into the conical groove 241, and a positioning groove 242 is formed at the bottom end of the expansion sleeve 24, and the positioning block 221 is inserted into the positioning groove 242.

[0032] Further, the bottom end of the fastening bolt 25 is threadedly connected to the hydraulic rod 26 through the expansion sleeve 24 and the elastic cone ring 23, and the top end of the fastening bolt 25 abuts against the expansion sleeve 24.

[0033] It needs to be particularly emphasized that the top end of the hydraulic rod 26 is inserted into the elastic cone ring 23, and the top end of the hydraulic rod 26 abuts against the elastic cone ring 23. By starting the hydraulic cylinder, the hydraulic rod 26 can be driven to move upward, the hydraulic rod 26 abuts against the elastic cone ring 23, the elastic cone ring 23 expands outward, and the expansion sleeve 24 is pressed against the inner wall of the plunger pump cylinder to be fixed.

[0034] Working principle: first, replace the expansion sleeve 24 according to the inner diameter of the plunger pump cylinder to be clamped, rotate the fastening bolt 25, move the fastening bolt 25 out of the top end of the hydraulic rod 26, take out the fastening bolt 25 from the expansion sleeve 24, so that the expansion sleeve 24 can be removed from the conical sleeve 22, install the appropriate expansion sleeve 24 on the conical sleeve 22, align the positioning groove 242 at the bottom end of the expansion sleeve 24 with the positioning block 221 on the conical sleeve 22, sleeve the expansion sleeve 24 on the elastic cone ring 23, then insert the fastening bolt 25 from the top of the expansion sleeve 24, and tighten the fastening bolt 25 to make the fastening bolt 25 abut against the top of the expansion sleeve 24 to be fixed, complete the replacement of the expansion sleeve 24;

[0035] Then sleeve the plunger pump cylinder on the expansion sleeve 24, then start the hydraulic cylinder, drive the hydraulic rod 26 to move upward, the hydraulic rod 26 abuts against the elastic cone ring 23, the elastic cone ring 23 expands outward, and the expansion sleeve 24 is pressed against the inner wall of the plunger pump cylinder to be fixed, completing the clamping of the plunger pump cylinder.

[0036] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A plunger pump machining fixture fixture comprising a support unit (1), characterized in that, The bracket unit (1) is provided with a clamp unit (2); The bracket unit (1) comprises a bottom plate (11), a support rod (12) and a base plate (13), the bottom of the support rod (12) is fixedly connected to the bottom plate (11), and the base plate (13) is fixedly connected to the top of the support rod (12); The clamp unit (2) comprises a conical sleeve (22), an elastic conical ring (23), an expansion sleeve (24) and a fastening bolt (25), the conical sleeve (22) is arranged above the base plate (13), the elastic conical ring (23) is fixedly connected to the conical sleeve (22), the expansion sleeve (24) is sleeved on the elastic conical ring (23), and the fastening bolt (25) is inserted into the expansion sleeve (24).

2. A fixed clamp for processing a plunger pump according to claim 1, characterized in that, The clamp unit (2) further comprises a cylindrical seat (21) and a hydraulic rod (26), the cylindrical seat (21) is fixedly connected to the base plate (13), the hydraulic rod (26) is inserted into the cylindrical seat (21), and the bottom end of the hydraulic rod (26) is connected with a hydraulic cylinder.

3. The plunger pump machining fixture of claim 1, wherein, The conical sleeve (22) is fixedly connected to the cylindrical seat (21).

4. The plunger pump machining fixture of claim 1, wherein, The conical sleeve (22) is provided with a positioning block (221), and the positioning block (221) is fixedly connected to the conical sleeve (22).

5. The plunger pump machining fixture of claim 1, wherein, A conical groove (241) is formed in the expansion sleeve (24), and a positioning groove (242) is formed in the bottom end of the expansion sleeve (24).

6. A fixed clamp for machining a plunger pump according to claim 5, characterized in that The elastic conical ring (23) is inserted into the conical groove (241), and the positioning block (221) is inserted into the positioning groove (242).

7. A fixed clamp for machining a plunger pump according to claim 2, characterized in that The bottom end of the fastening bolt (25) is threadedly connected with the hydraulic rod (26) through the expansion sleeve (24) and the elastic conical ring (23), and the top end of the fastening bolt (25) abuts against the expansion sleeve (24).

8. A fixed clamp for machining a plunger pump according to claim 2, characterized in that The top end of the hydraulic rod (26) is inserted into the elastic conical ring (23), and the top end of the hydraulic rod (26) abuts against the elastic conical ring (23).

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